Support Ruby 2.1 which is consistent with ActiveTriples

Author: elrayle

.travis.yml

@@ -4,6 +4,8 @@ script: "bundle exec rspec spec"
 sudo: false
 cache: bundler
 rvm:
+ - 2.1
+ - 2.2.2
  - 2.2.4
  - 2.3.0
  - jruby-9.0.4.0

Gemfile

@@ -2,3 +2,5 @@ source "https://rubygems.org"
 
 gemspec
 
+gem 'activesupport', '< 5.0.0' if RUBY_VERSION =~ /2\.1\..*/
+gem 'pry-byebug' unless ENV["CI"]

active_triples-solrizer.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.summary     = %q{Provide default solrizer implementation for ActiveTriples.}
   s.description = %q{active_triples-solrizer provides a default solr indexing implementation for ActiveTriples.}
   s.license     = "APACHE2"
-  s.required_ruby_version     = '>= 2.2.0'
+  s.required_ruby_version     = '>= 2.1'
 
   s.add_dependency 'rsolr'
   s.add_dependency('active-triples')

lib/active_triples/solrizer/version.rb

@@ -1,5 +1,5 @@
 module ActiveTriples
   module Solrizer
-    VERSION = "0.3.0"
+    VERSION = "0.3.1"
   end
 end