Update Drupal core to 7.28
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Merge pull request #76 from tamasd/master

E_NOTICE fixes.
Merge pull request #77 from Coornail/update/core-7.28

Update Drupal core to 7.28
Merge pull request #78 from Coornail/fix/158-confusing-collection-selection-widget

Fix confusing collection selection widget
feature/491: fix user name display in listing

Now the creator's name is shown (correctly) instead of the current user.
Merge pull request #79 from csanyiarpad/feature/491-walkthrough-listing-page-theming

feature/491: fix user name display in listing
E_NOTICE fixes.
Adds invite, userpoints and userpoints_invite.