added build for both ruby 2.1 and 2.2

Author: bluegod

.gitlab-ci.yml

@@ -1,3 +1,5 @@
+image: "ruby:2.2"
+
 before_script:
  - export PATH=~/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
  - apt-get update
@@ -6,6 +8,7 @@ before_script:
  - cp config.yml.example config.yml
  - bundle install
 
+#ruby 2.2
 rspec:
  script:
  - bundle exec rspec spec
@@ -21,3 +24,22 @@ rubocop:
  - ruby
  except:
  - tags
+
+#ruby 2.1
+rspec:
+ image: ruby:2.1
+ script:
+ - bundle exec rspec spec
+ tags:
+ - ruby
+ except:
+ - tags
+
+rubocop:
+ image: ruby:2.1
+ script:
+ - bundle exec rubocop
+ tags:
+ - ruby
+ except:
+ - tags