remove multigroup module from the official branch. Work on this will take place in the 3.0 experimental branch.

#414298 Rearranging panels includes files for consistency with views files and needs of panels module, per IRC conversation with Earl and Michelle.

#399778 by Benjamin Melençon - Nodereference / Userreference: Add 'size' setting to autocomplete widgets.

#397358 by Darren Oh, yched - Views integration: Use node title / user name in argument title replacements for nodereference and userreference argument fields.

#409320 by bengtan: Nodereference / Userreference - fix 'this post cannot be referenced' for views-defined referenceable nodes/users, when the view definition has a 'limit'.

+ #319778 Optionwidgets: Fix double encoding issues for &, >, <,... chars in select lists.

#368155 Nodereference/Userreference: Fix performance issue on large sites when validating empty noderef/userref fields.

#346202 Fieldgroup: let the 'simple' template be overridable (thks fiskit) + allow template variants.

#374213 by rpanna - Fieldgroup: All field instances removed their groups when one instance is deleted from a content type.

#366935 by drewish - Make the 'Views mode' feature in noderef / ueserref visible even if no usable View exists yet.

#353012 User reference - fix duplicate 'reverse links' on user profile pages when the same user is referenced by several userref fields in a node. Also improves performance by avoiding a full node_load