replaced index on document slug, updated documents controller to raise error if project and document are not related
removed tests, will need to be moved to a separate story for the feature
dropped, created and migrated database
Merge pull request #284 from sampritipanda/user_skills

Fix Overlapping Skills and Videos and Added new ways to add skills
Merge pull request #283 from yggie/document-slugs

Document slugs
If condition modified in articles layout for feature
Merge pull request #285 from sampritipanda/user_skills

Javascript Bug Fix in User Skills Show
Merge pull request #286 from sampritipanda/articles_link

"All Articles" link should still be clickable when in an article's show page