diff --git a/lang/strings_french.txt b/lang/strings_french.txt
index 2a7190f..f69f718 100644
--- a/lang/strings_french.txt
+++ b/lang/strings_french.txt
@@ -28,11 +28,10 @@
* @author Alain D'EURVEILHER, alain.deurveilher@gmail.com
*/
-$s_plugin_ganttchart_title = 'Diagramme de Gantt';
-$s_plugin_ganttchart_description = 'Diagrammes de Gantt pour les couples projet/version sur les résolutions de bugs.';
-
$s_plugin_GanttChart_title = 'Diagramme de Gantt';
-$s_plugin_GanttChart_menu_advanced_summary = 'Roadmap de Gantt';
+$s_plugin_GanttChart_description = 'Diagrammes de Gantt pour les couples projet/version sur les résolutions de bugs.';
+
+$s_plugin_GanttChart_menu = 'Roadmap de Gantt';
$s_plugin_GanttChart_config = 'Configuration';
$s_plugin_GanttChart_show_gantt_roadmap_link = 'Voir Roadmap Gantt';
diff --git a/pages/strings_english.txt b/pages/strings_english.txt
deleted file mode 100644
index ff90ed5..0000000
--- a/pages/strings_english.txt
+++ /dev/null
@@ -1,129 +0,0 @@
-.
- */
-
-/** English (English)
- *
- * See the qqq 'language' for message documentation incl. usage of parameters
- * To improve a translation please visit http://translatewiki.net
- *
- * @ingroup Language
- * @file
- *
- * @author Alain D'EURVEILHER, alain.deurveilher@gmail.com
- */
-
-$s_plugin_GanttChart_title = 'GanttChart';
-$s_plugin_GanttChart_description = 'Gantt charts on demand.';
-
-$s_plugin_GanttChart_menu = 'Gantt Chart Roadmap';
-$s_plugin_GanttChart_config = 'Configuration';
-
-$s_plugin_GanttChart_show_gantt_roadmap_link = 'Show Gantt Roadmap';
-$s_plugin_GanttChart_custom_field_id_for_duration = 'Custom field used for duration';
-$s_plugin_GanttChart_field_to_use = 'Field to use for the end date';
-$s_plugin_GanttChart_custom_field = 'Custom field';
-$s_plugin_GanttChart_use_start_date_field = 'Use a custom field as estimated start date';
-$s_plugin_GanttChart_start_date_custom_field = 'Custom field for Start Date';
-$s_plugin_GanttChart_working_hours_in_a_day = 'Working hours in 1 day';
-$s_plugin_GanttChart_format_values_for_duration = 'The duration must be specified in days or hours
and formatted as, e.g. "1d" for 1 day, "4h" for 4 hours, etc.';
-$s_plugin_GanttChart_format_custom_field_for_duration = 'It is recommanded for the custom field to use one of type String, with the following regular expression:
^[1-9]\d*[dh]?$';
-$s_plugin_GanttChart_default_duration_unit = 'Default unit for duration when it is not specified';
-$s_plugin_GanttChart_days = 'd (Days)';
-$s_plugin_GanttChart_hours = 'h (Hours)';
-
-$s_plugin_GanttChart_enabled = 'On';
-$s_plugin_GanttChart_disabled = 'Off';
-$s_plugin_GanttChart_not_enough_data = 'Not enough data to create gannt chart';
-
-$s_plugin_GanttChart_gantt_bug_page_link = 'Gantt Chart';
-$s_plugin_GanttChart_no_data = 'No data available';
-$s_plugin_GanttChart_part = 'Part ';
-$s_plugin_GanttChart_filter = 'From Filter';
-
-###################
-
-
-$s_plugin_GanttChart_synthesis_link = 'Synthesis';
-$s_plugin_GanttChart_status_link = 'Per state';
-$s_plugin_GanttChart_priority_link = 'Per priority';
-$s_plugin_GanttChart_severity_link = 'Per severity';
-$s_plugin_GanttChart_category_link = 'Per category';
-$s_plugin_GanttChart_resolution_link = 'Per resolution';
-
-$s_plugin_GanttChart_graph_bug_page_link = 'Graph';
-
-$s_plugin_GanttChart_library = 'Graph library to use';
-$s_plugin_GanttChart_bundled = 'Bundled';
-
-$s_plugin_GanttChart_window_width = 'Graph width (in pixels)';
-$s_plugin_GanttChart_bar_aspect = 'Bar graph aspect ratio (height/width)';
-$s_plugin_GanttChart_summary_graphs_per_row = 'Graphs to display per row on the advanced summary page';
-$s_plugin_GanttChart_font = 'Font';
-
-$s_plugin_GanttChart_jpgraph_path = 'JpGraph library system path';
-$s_plugin_GanttChart_jpgraph_path_default = 'Leave blank for default: {mantisroot}/library/jpgraph';
-$s_plugin_GanttChart_jpgraph_antialias = 'JpGraph anti-aliasing';
-$s_plugin_GanttChart_jpgraph_antialias_info = 'Anti-aliasing improves the visual appearance of certain graphs at the expense of performance (up to 8x slower)';
-
-
-$s_plugin_GanttChart_graph_imp_status_title = 'Synthesis graphs by status';
-$s_plugin_GanttChart_graph_imp_priority_title = 'Synthesis graphs by priority';
-$s_plugin_GanttChart_graph_imp_severity_title = 'Synthesis graphs by severity';
-$s_plugin_GanttChart_graph_imp_category_title = 'Synthesis graphs by category';
-$s_plugin_GanttChart_graph_imp_resolution_title = 'Synthesis graphs by resolution';
-$s_plugin_GanttChart_by_status_pct = 'By status percentage';
-$s_plugin_GanttChart_by_priority_pct = 'By priority percentage';
-$s_plugin_GanttChart_by_severity_pct = 'By severity percentage';
-$s_plugin_GanttChart_by_category_pct = 'By category percentage';
-$s_plugin_GanttChart_by_resolution_pct = 'By resolution percentage';
-$s_plugin_GanttChart_by_severity_mix = 'By severity and status';
-$s_plugin_GanttChart_by_priority_mix = 'By priority and status';
-$s_plugin_GanttChart_by_resolution_mix = 'By resolution and status';
-$s_plugin_GanttChart_legend_still_open = 'Still Open';
-$s_plugin_GanttChart_legend_resolved = 'Resolved';
-$s_plugin_GanttChart_legend_assigned = 'Assigned';
-$s_plugin_GanttChart_legend_total = 'Total';
-$s_plugin_GanttChart_legend_opened = 'Opened';
-$s_plugin_GanttChart_legend_closed = 'Closed';
-$s_plugin_GanttChart_legend_reported = 'Reported';
-$s_plugin_GanttChart_cumulative = 'Cumulative';
-
-# Period class (core/Period.php)
-#$s_plugin_GanttChart_all_dates = 'All Dates';
-$s_plugin_GanttChart_period_none = 'None';
-$s_plugin_GanttChart_period_this_week = 'This Week';
-$s_plugin_GanttChart_period_last_week = 'Last Week';
-$s_plugin_GanttChart_period_two_weeks = 'Last Two Weeks';
-$s_plugin_GanttChart_period_this_month = 'This Month';
-$s_plugin_GanttChart_period_last_month = 'Last Month';
-$s_plugin_GanttChart_period_this_quarter = 'This Quarter';
-$s_plugin_GanttChart_period_last_quarter = 'Last Quarter';
-$s_plugin_GanttChart_period_year_to_date = 'Year to Date';
-$s_plugin_GanttChart_period_select = 'Arbitrary Dates';
-$s_plugin_GanttChart_period_last_year = 'Last Year';
-$s_plugin_GanttChart_select = 'Please Select';
-$s_plugin_GanttChart_select_bystatus = 'by Status';
-$s_plugin_GanttChart_select_summbystatus = 'Summary by Status';
-$s_plugin_GanttChart_select_bycat = 'Summary by Category';
-$s_plugin_GanttChart_select_both = 'Summary by Status and Category';
-$s_plugin_GanttChart_show_as_graph = 'Show as Graph';
-$s_plugin_GanttChart_show_as_table = 'Show as Table';
-$s_plugin_GanttChart_show_graph = 'Show Graph';
-$s_plugin_GanttChart_graph_page = 'Graph Issue History';
-?>
diff --git a/pages/strings_french.txt b/pages/strings_french.txt
deleted file mode 100644
index 2a7190f..0000000
--- a/pages/strings_french.txt
+++ /dev/null
@@ -1,125 +0,0 @@
-.
- */
-
-/** French (Français)
- *
- * See the qqq 'language' for message documentation incl. usage of parameters
- * To improve a translation please visit http://translatewiki.net
- *
- * @ingroup Language
- * @file
- *
- * @author Alain D'EURVEILHER, alain.deurveilher@gmail.com
- */
-
-$s_plugin_ganttchart_title = 'Diagramme de Gantt';
-$s_plugin_ganttchart_description = 'Diagrammes de Gantt pour les couples projet/version sur les résolutions de bugs.';
-
-$s_plugin_GanttChart_title = 'Diagramme de Gantt';
-$s_plugin_GanttChart_menu_advanced_summary = 'Roadmap de Gantt';
-$s_plugin_GanttChart_config = 'Configuration';
-
-$s_plugin_GanttChart_show_gantt_roadmap_link = 'Voir Roadmap Gantt';
-$s_plugin_GanttChart_custom_field_id_for_duration = 'Champ personalisé utilisé pour la Durée';
-$s_plugin_GanttChart_field_to_use = 'Champ à utiliser pour la date de fin';
-$s_plugin_GanttChart_custom_field = 'Champ personalisé';
-$s_plugin_GanttChart_use_start_date_field = 'Utiliser un champ personnalisé pour la Date De Début Estimée';
-$s_plugin_GanttChart_start_date_custom_field = 'Champ personnalisé pour la Date De Début';
-$s_plugin_GanttChart_working_hours_in_a_day = 'Heures ouvrées dans 1 jour';
-$s_plugin_GanttChart_format_values_for_duration = 'La durée doit être définie en jour ou heure
et formatée par ex. "1d" pour 1 jour, "4h" pour 4 heures, etc.';
-$s_plugin_GanttChart_format_custom_field_for_duration = 'Il est recommandé d\'utiliser un champ personalisé de type String, avec l\'expression régulière suivante:
^[1-9]\d*[dh]?$';
-$s_plugin_GanttChart_default_duration_unit = 'Unité par défaut pour la durée quand elle est non définie';
-$s_plugin_GanttChart_days = 'd (Days, Jours)';
-$s_plugin_GanttChart_hours = 'h (Heures)';
-
-$s_plugin_GanttChart_enabled = 'Activé';
-$s_plugin_GanttChart_disabled = 'Désactivé';
-$s_plugin_GanttChart_not_enough_data = 'Données insuffisantes pour générer le graphique';
-
-$s_plugin_GanttChart_gantt_bug_page_link = 'Diagramme de Gantt';
-$s_plugin_GanttChart_no_data = 'Pas de donnée disponible';
-$s_plugin_GanttChart_part = 'Partie ';
-$s_plugin_GanttChart_filter = 'Du Filtre';
-
-###################
-
-$s_plugin_GanttChart_synthesis_link = 'Synthèse';
-$s_plugin_GanttChart_status_link = 'Par statut';
-$s_plugin_GanttChart_priority_link = 'Par priorité';
-$s_plugin_GanttChart_severity_link = 'Par sévérité';
-$s_plugin_GanttChart_category_link = 'Par catégorie';
-$s_plugin_GanttChart_resolution_link = 'Par résolution';
-
-$s_plugin_GanttChart_graph_bug_page_link = 'Diagramme';
-
-$s_plugin_GanttChart_library = 'Bibliothèque de graphiques à utiliser';
-$s_plugin_GanttChart_bundled = 'Utiliser la bibliothèque fournie avec le plugin';
-
-$s_plugin_GanttChart_window_width = 'Largeur du graphique (en pixels)';
-$s_plugin_GanttChart_bar_aspect = 'proportion du graphique à barres (hauteur / largeur)';
-$s_plugin_GanttChart_summary_graphs_per_row = 'Nombre de graphiques à afficher par ligne dans la page de résumé avancée';
-$s_plugin_GanttChart_font = 'Police';
-
-$s_plugin_GanttChart_jpgraph_path = 'Chemin d\'accès système de la bibliothèque JpGraph';
-$s_plugin_GanttChart_jpgraph_path_default = 'Laisser vide pour le réglage par défaut : {mantisroot}/vendor/jpgraph';
-$s_plugin_GanttChart_jpgraph_antialias = 'Anti-alias JpGraph';
-$s_plugin_GanttChart_jpgraph_antialias_info = 'L\'anti-alias améliore l\'apparence visuelle de certains graphiques, au détriment de la performance (jusqu\'à 8x plus lent)';
-
-$s_plugin_GanttChart_graph_imp_status_title = 'Graphiques de synthèse par état';
-$s_plugin_GanttChart_graph_imp_priority_title = 'Graphiques de synthèse par priorité';
-$s_plugin_GanttChart_graph_imp_severity_title = 'Graphiques de synthèse par sévérité';
-$s_plugin_GanttChart_graph_imp_category_title = 'Graphiques de synthèse par catégorie';
-$s_plugin_GanttChart_graph_imp_resolution_title = 'Graphiques de synthèse par résolution';
-$s_plugin_GanttChart_by_status_pct = 'pourcentage par état';
-$s_plugin_GanttChart_by_priority_pct = 'pourcentage par priorité';
-$s_plugin_GanttChart_by_severity_pct = 'pourcentage par sévérité';
-$s_plugin_GanttChart_by_category_pct = 'pourcentage par catégorie';
-$s_plugin_GanttChart_by_resolution_pct = 'pourcentage par résolution';
-$s_plugin_GanttChart_by_severity_mix = 'par sévérité et état';
-$s_plugin_GanttChart_by_priority_mix = 'par priorité et état';
-$s_plugin_GanttChart_by_resolution_mix = 'par résolution et état';
-$s_plugin_GanttChart_legend_still_open = 'Encore Ouvert';
-$s_plugin_GanttChart_legend_resolved = 'Résolu';
-$s_plugin_GanttChart_legend_assigned = 'Assigné';
-$s_plugin_GanttChart_legend_total = 'Total';
-$s_plugin_GanttChart_legend_opened = 'Ouvert';
-$s_plugin_GanttChart_legend_closed = 'Fermé';
-$s_plugin_GanttChart_legend_reported = 'Rapporté';
-$s_plugin_GanttChart_cumulative = 'Cumulé';
-$s_plugin_GanttChart_period_none = 'Aucun';
-$s_plugin_GanttChart_period_this_week = 'Cette semaine';
-$s_plugin_GanttChart_period_last_week = 'La semaine dernière';
-$s_plugin_GanttChart_period_two_weeks = 'Les deux dernières semaines';
-$s_plugin_GanttChart_period_this_month = 'Ce mois';
-$s_plugin_GanttChart_period_last_month = 'Le mois dernier';
-$s_plugin_GanttChart_period_this_quarter = 'Ce trimestre';
-$s_plugin_GanttChart_period_last_quarter = 'Le trimestre dernier';
-$s_plugin_GanttChart_period_year_to_date = 'Annuel cumulatif';
-$s_plugin_GanttChart_period_select = 'Sélectionner les dates';
-$s_plugin_GanttChart_period_last_year = 'L\'année dernière';
-$s_plugin_GanttChart_select = 'Choisir';
-$s_plugin_GanttChart_select_bystatus = 'Par état';
-$s_plugin_GanttChart_select_summbystatus = 'Synthèse par état';
-$s_plugin_GanttChart_select_bycat = 'Synthèse par catégorie';
-$s_plugin_GanttChart_select_both = 'Synthèse par état et catégorie';
-$s_plugin_GanttChart_show_as_graph = 'Afficher en graphique';
-$s_plugin_GanttChart_show_as_table = 'Afficher en tableau';
-$s_plugin_GanttChart_show_graph = 'Afficher graphique';
-$s_plugin_GanttChart_graph_page = 'Afficher graphique de l\'historique';
-?>