Add GET /users/:user/activity and DELETE /users/:user/activity/request/:request routes to create the activity feed API and write specs, and update README accordingly
Add support for etags to user routes and update specs. Add first pass at etag hash methods to README
Create POST and GET /neighborhoods/:neighborhood/requests route to allow shout out requests
Add support for etags to all key routes (GET /neighborhoods/:neighborhood/items & requests, GET /users/:user/activity & my-requests & neighbor-requests) and update specs, and add version incrementing to models to update etag hash
Merge pull request #19 from mmerkes/activity_feed

Add GET /users/:user/activity and DELETE /users/:user/activity/request/:...
Merge pull request #20 from mmerkes/conditional_get

Conditional get