Merge pull request #118 from 18F/feature/remove_instance_vars

removed ivars from articles controller and relevant views
Capify project and add basic configs
Merge pull request #125 from 18F/feature/capify

Capify project and add basic configs
Only require brakeman/pry in dev/test envs for rake task
Minor fixes to capistrano example files

This fixes issues with the asset pipeline, sets the default branch to
dev, default ruby to 2.1.2, and ignores any .ruby-gemset files.
Update DEV-SETUP.md
test update
Merge pull request #133 from 18F/feature/bentest

test update (updates instructions in dev-setup)
removed ivars from articles controller and relevant views
added simple json api for AeticlesController#index
added simple json api for ArticleController#article_type
tweaked json output for articles controller
added simple json api for categories controller
updated json response for guides controller
updated json response for quick answers controller
added simple json responses for search controller
removed lingering ivars from quick_answers/show_html template
fixed typo in quick answers controller
initial stab at /dev page
added /dev defaults to .env.example