Stores messages in localStorage as long as there is room
Refactored Message Service to store messages as long as there is room
Rewrote Inbox controller to use new implementation of Service
Added try-catch to localStorage to ensure no crash on storage full
Changed some values in inbox-messages view to use native fields
Merge branch 'master' into FH-27-cache-messages

Conflicts:
	www/js/controllers/InboxCtrl.js
Fixed undefined-error in caching.
InboxController looks for cached messages on load if they are valid.
Merge branch 'FH-27-cache-messages'

Conflicts:
	www/js/controllers/InboxCtrl.js
Added function that got removed during merge
Added fields to get requests to exclude unused fields