removed ivars from articles controller and relevant views
removed ivars from categories controller and views
removed ivar from HomeController
Using adelevie/pry fork until PR gets merged
removed ivars from quickanswers controller and related views
using https github url for adelevie/pry fork in gemfile
removed ivars from articles controller
removed ivars from contacts controller, and removed unused contacts forms
removed ivars from guides controller
removed ivars from web services
removed query from categories partial
removed ivars from search. will be overwritten by searchkick pr
fix conflict with #112
testing bodyclass html attr for articles and categories controllers
Merge pull request #118 from 18F/feature/remove_instance_vars

removed ivars from articles controller and relevant views