feat(backgrounds): add new backgrounds
add warning text for Beeminder users about deleting To-Dos
deleted facebook.jpeg, now using zocial (see HabitRPG/habitrpg#6304dd2)
feat(halloween): costume contest badges
Merge pull request #354 from Alys/beeminderDeleteWarning-2014-11-06

add warning text for Beeminder users about deleting To-Dos