Update backlog: reorder next stories, add optimizations for first load
Load calories by week for the 9 previous weeks
Update view and model for the table of calories by week
Update date format in view, disable firefox in unit tests
Update backlog
Merge branch 'master' of https://github.com/geekarist/getstronger

Conflicts:
	BACKLOG.txt
Make mongolab request for getting the total of calories by week
Merge branch 'master' of https://github.com/geekarist/getstronger
Update backlog
Show 9 previous weeks in view
Remove debug output
Merge branch 'master' of https://github.com/geekarist/getstronger into prod