Merge pull request #1 from RickyCook/master

Fixed typo in burnup
Started some cacheing
Fixed the caching, added comments and debug logging
Merge pull request #2 from RickyCook/bower

Converted to bower deps
Fixed accidental oversight with last commit
Refactor to remove an unnecessary param
Refactor data updates out of cache put
Renamed a var
Refactored some generic get/put cache functions
Fixed typo self to this
Removed useless var
Updated redmine date format with d3 formatter
Merge pull request #4 from RickyCook/cache-localstorage

Cache issues in localStorage