Ruby 2.0 is no longer supported

Author: ivanovaleksey

.travis.yml

@@ -1,7 +1,6 @@
 language: ruby
 
 rvm:
-  - 2.0
   - 2.1
   - 2.2
   - 2.3.1
@@ -11,4 +10,4 @@ gemfile:
   - gemfiles/rake11.gemfile
 
 before_install:
-  - gem install bundler -v '~> 1.11' --no-ri --no-rdoc
+  - gem install bundler -v '~> 1.11' --no-ri --no-rdoc