Added cacheActivityTest skeleton
Added cacheControllerTest skeleton
Updated the bitmapJsonConverter, cacheController, and commenter tests
Created structure for the cache-related classes.
Added test descriptions
added more test descriptions
added some more test descriptions
added more test descriptions
added even more test descriptions
added more test descriptions
added more test descriptions
added more test descriptions
Created sequence diagram from draft.
UPdated UML Chart
Merge branch 'master' of https://github.com/CMPUT301W14T3/Group-Project