Merge pull request #73 from wdonnell/master

various fixes
Initial commit for improved userstats
Added more to "At a Glance"
Initial pie chart for groups-at-a-glance
Decoupled glance-group piechart from directives.js
Improved "Total Posts By Group" pie chart
Halfway through implementing heatmap
Added heatmap to "at a glance"
finished "At a Glance" section
Merge pull request #74 from bstascavage/master

"At A Glance" section completed.  Fixes #18
Update GroupStats.rb
Removed unneeded files
Merge pull request #75 from bstascavage/master

Various cleanup
Increased number of groups from 10 to 100
Merge pull request #76 from bstascavage/master

Increased number of groups from 10 to 100
Added clearfix, though it doesn't seem to have done anything
Formatting changes
Added userstats for a given group
Various code cleanup
Merge pull request #77 from bstascavage/master

Added user info for a specific group.  Fixes #17