Even space between limited edition skins and rainbow skins
halloween: bailey notif for last day of spooky skins
[#1751] /challenges/:cid/:mid task filtering by "in this challenge" at
application level, not Mongo. $elemMatch doesn't support returning
multiple items, see http://goo.gl/MxmWdQ & http://goo.gl/Iku44w
halloween: take down halloween skins
[#1792] put purchased limited skins back on avatar tab
halloween: remove "last day" bailey notif
[#1781] challenges: select-all / select-none buttons
Merge pull request #1778 from nafoster/develop

Added even spacing between limited edition skins and rainbow skins
[#1763] migration to restore NaN tasks.value to 0
Autocompletion of nicknames in chat works. this commit will require a npm install to fetch new packages
Merge pull request #1796 from snicker/develop

Autocompletion of nicknames in chat
git merge Merge branch 'develop' of https://github.com/HabitRPG/habitrpg into translations