skinning stats and reorganizing stats API
removing orphaned imports
adding users and status updates to fixtures
adding stats endpoint, v2
adding dateutil module to requirements
Merge branch 'feature-stats'
adding user history endpoint, reorganizing stats endpoints
better organization of stats endpoints, adding more history
add summary stats back and update js to reflect new endpoint
oops forgot to update url parameter
replacing join with outer join to get anonymous actions
typo
adding time slicing to all stats endpoints (lazily)
reformat history to make it easier to chart
fix history display
reformatting once again
reformat history to comply with nvd3
more nvd3 formatting
simplifying format
add padding for nonexisting dates