Add codeclimate-test-reporter gem and bundle update
Add Code Climate and Database Cleaner config to spec helper
Add Setting model specs
Add settings routing specs
Add settings controller spec
Add Bookmark specs
Add bookmarks controller specs
Add Bookmarks routing specs
Remove Bookmark model logic from Bookmarks controller
Merge pull request #2 from homesteading/add-specs

# Added specs.

Adapted specs from [homesteading/homesteading-article](/homesteading/homesteading-article).