Fix some typos (+3 squashed commit)

Squashed commit:

[a5cd4c2] Fix typo in common_gmvault.py

[5b1d7ec] Another typo fix in imap_utils.py

[6770dd4] Fix small typo in imap_utils.py

Author: guaycuru

AUTHORS.md

@@ -10,3 +10,4 @@ various contributors:
 
 - Dave Vasilevsky (ghub:@vasi, email:<[email protected]>)
 - Erik van Zijst (email:<[email protected]>)
+- Felipe Guaycuru (ghub:@guaycuru, email: <[email protected]>)

src/gmv/gmvault.py

@@ -589,7 +589,7 @@ def sync(self, imap_req, compress_on_disk = True, \
             LOG.critical("Disable compression when storing emails.")
 
         if self.use_encryption:
-            LOG.critical("Encryption activated. All emails will be encrypted before to be stored.")
+            LOG.critical("Encryption activated. All emails will be encrypted before being stored.")
             LOG.critical("Please take care of the encryption key stored in (%s) or all"\
                          " your stored emails will become unreadable." \
                          % (gmvault_db.GmailStorer.get_encryption_key_path(self.db_root_dir)))

src/gmv/imap_utils.py

@@ -58,7 +58,7 @@ def retry(a_nb_tries=3, a_sleep_time=1, a_backoff=1): #pylint:disable=R0912
     """
       Decorator for retrying command when it failed with a imap or socket error.
       Should be used exclusively on imap exchanges.
-      Strategy, always retry on any imaplib or socket error. Wait few seconds before to retry
+      Strategy, always retry on any imaplib or socket error. Wait a few seconds before retrying
       backoff sets the factor by which the a_sleep_time should lengthen after each failure. backoff must be greater than 1,
       or else it isn't really a backoff
     """

src/sandbox/common_gmvault.py

@@ -782,7 +782,7 @@ def sync(self, imap_req = imap_utils.GIMAPFetcher.IMAP_ALL, compress_on_disk = T
             LOG.critical("Disable compression when storing emails.")
 
         if self.use_encryption:
-            LOG.critical("Encryption activated. All emails will be encrypted before to be stored.")
+            LOG.critical("Encryption activated. All emails will be encrypted before being stored.")
             LOG.critical("Please take care of the encryption key stored in (%s) or all"\
                          " your stored emails will become unreadable." \
                          % (gmvault_db.GmailStorer.get_encryption_key_path(self.db_root_dir)))

src/sandbox/gmvault_multiprocess.py

@@ -653,7 +653,7 @@ def sync(self, imap_req = imap_utils.GIMAPFetcher.IMAP_ALL, compress_on_disk = T
             LOG.critical("Disable compression when storing emails.")
 
         if self.use_encryption:
-            LOG.critical("Encryption activated. All emails will be encrypted before to be stored.")
+            LOG.critical("Encryption activated. All emails will be encrypted before being stored.")
             LOG.critical("Please take care of the encryption key stored in (%s) or all"\
                          " your stored emails will become unreadable." % (gmvault_db.GmailStorer.get_encryption_key_path(self.db_root_dir)))