StopInfo incorporation into Stop Details view

Resubmitting PR with squashed commits. Added link to the stop name for stops with stop information (currently just stops in Puget Sound), as well as a cell labeled "About This Stop" under Actions.  Screenshots below:

![photo](https://f.cloud.github.com/assets/4627278/1948825/dc75b432-80b6-11e3-88b8-6b687a1bad00.jpg)

![photo_1](https://f.cloud.github.com/assets/4627278/1948826/dd6e9f48-80b6-11e3-8ca9-3ee19cb767a9.jpg)

Will pull in soon for testing if there are no objections/other thoughts.