og 6.x-2.1

Changes since DRUPAL-6--2-0:

• #431944 by ifoundthetao | gpk: Fixed Public Audience checkbox still visible with all private group settings.
• #669224 by greggles: Added move the og notifications addition form to a more appropriate place.
• #534870: Split menu callbacks into pages.inc. Add userpage key to hook_notifications/subscription types.
• #659556 by marcp. Unnecessary selector in og_access.js
• #442238 by Scott Reynolds - Activity Integration with OG.
• #578858. Use #pre_render instead.
• #586422 by gpk, lesmana | Amitaibu: Fixed Regression: 'Public' checkbox is unchecked when editing a node that is not in any groups.
• #602294 by Dave Reid. PHP notice: Undefined property: stdClass::
• #673824 by stella: Added 'Group: Private' field - add Private/Public display option.
• #475536 : Patch by hefox - Checking of category for user_profile_form.
• #711354 by Damien Tournoud : Added Add a 'current group from context' default argument handler.
• #691646 by stella: Added Allow text of 'edit membership' field to be editable.
• #328758 by stella : Add 'invite to group' link in views.
• #555310 by rob.carter. fi upgrade to og2 in og_access.install
• #569502 by crea | Amitaibu: Added New Rules actions: add group to audience, remove group from audience.
• #644098 by crea: Fixed Use personal messages for user leaving a group (removing himself).
• #620032 by crea : Fixed Rules integration calls og_is_group_member() with wrong arguments, and allow checking if a user is a group admin.
• #639294 by marcp. More granular argument validation for OG Group Nodes.
• #569356 by greggles. 'new groups' shows moderated posts
• #658572 by jcmarco | Dave Reid: Changed Add support for vertical tabs.
• #362493 Fixed og_nodeapi() presave might filter out groups.
• #496468 by c4rl. allow admins to specify maximum audience per content type. can disable crossposting by setting this to 1.
• #701420 by yhahn, jmiccolis: Fixed managelink field handler has unpredictable results outside of a group context.
• #602754 by marcp. Add 'Manager of the current group' to Group nodes validator in Views.
• #656386 by alex_b: Fixed Redundant variable_set().
• #569110 by greggles, jcmarco, crea. SQL rewrite bug.
• #679770 by gordon: Added Additional Vertical Tabs JS.
• #534870 : Group subscriptions management - account for unpublished groups.
• #581822 by markus_petrux. og_nodeapi('validate') warning
• #555524 by NickSI | greggles: Fixed Filter 'OG: Is member an admin in a group' does not remember selected condition.