get newest ruby
fix post spec
fix post decorator spec
fix posts_controller_spec.rb:12
fix for posts_controller_spec.rb:17
fix posts_controller_spec.rb:29
fix for posts_controller_spec.rb:46
fix broken test - should be uniqueness
fix for user_spec.rb:4
fix for user_spec.rb:5
fix for user_spec.rb:8 and user_spec.rb:13