Removed IdeasController#update functionality.
Added tests for IdeasController, including failing tests for not-yet-built features.
Added tests for creating an idea with invalid sparks.
Added functionality to IdeasController to pass new tests.
Added Idea Model tests.
Added test for JawnsController filtering.
Added filtering to JawnsController.
Merge pull request #34 from maxluzuriaga/master

Functionality for Ideas Controller, Jawns Controller, many more tests