[update] added ability to filter users by group in admin
[fix] removed trailing slash when a team doesn't have a color
[update] updated from Django 1.4.5 to 1.4.10
[update] added date joined to user admin
[update] changed honeypot and blank field text to help_text
[update] updated header elements to be more consitent
[update] rewrote sidebar html
[fix] fixed league title header when choosing a season
[cleanup] league view cleanup
[update] changed "group size" header to "maximum group size" to alleviate confusion
[update] updated styling for league lists and captain lists
[update] added missing league list partial
[update] updated the not_found messages
[cleanup] cleaned up a number of models
[update] updated the field headers to the schedule tables
[update] team unicode output takes missing missing name and color into account
[fix] added check on team averages when size is 0 (no members)
[update] changed wording from attendance to absence on team generation page
[fix] double team generation issue should be fixed
[fix] when getting teams for a game, the hidden teams are excluded
[fix] schedule table will show TBA for user games, too
[fix] fixed the upcoming game section to not show anything when teams are hidden
[update] updated "no upcoming game" message