White/Black-list value sets builder

#### Stories ####
- https://www.pivotaltracker.com/story/show/64229506
- https://www.pivotaltracker.com/story/show/65367134

#### Notes ####
- White/Black-list listings, search results, and filters implemented based on discussions with @andrequina and Jeff
- Add button for re-saving patients; automated as part of saving value set entries when editing white/black-lists

#### Screenshots ####
- Default view, accessed via <code>#vs</code> route
  - ![vsbuilderdefault](https://f.cloud.github.com/assets/456952/2172784/30903e98-9598-11e3-8be8-de4c33aead33.png)
- Search results
  - ![vsbuildersearch](https://f.cloud.github.com/assets/456952/2172782/308f5ac8-9598-11e3-99f0-84ed7866f136.png)
- Search results with filters
  - ![vsbuildersearchfilters](https://f.cloud.github.com/assets/456952/2172783/308f8764-9598-11e3-95a3-15f6c565a700.png)