flag 6.x-2.0-beta3

The beta3 version of Flag 2.0 makes numerous stability and performance improvements from the beta2 version. It is also the branch point for Drupal 7 development which has now begun. Upgrading to beta3 is recommended for all users of the 2.0 version of Flag.

Bug fixes:
#639510: Spiders / Web Crawlers are Hitting Flags
#764712: Flag incorrectly migrates flags when login is invoked and cookies are disabled
#622942: Unflagged Content stays shown as flagged
#681248: Update database from 6.x-1.1 to 6.x-2.0-beta2 - database inconsistence
#681996: Undefined property
#742826: Flag "Restrict access by authorship" feature always rejects access on new nodes and comments.
#705820: flag_create_link should give a response to users without the "unflag" permission, but with "flag" permission on flagged flags
#690248: Unnecessary _comment_load() for each comment
#750100: Modify node taxonomy (VBO) action - taxonomies not being saved
#776242: Missing argument 2 for views_break_phrase()
#691880: Flag module and Patterns compatibility (remove drupal_goto())
#659140: Set the Flag API version on Export (Impossible to use exported flags in modules)

Tasks:
#625814: Move vertical tabs integration for Flag into flag.module
#571100: Add "reset" action and hooks to Flag
#660316: Change primary key for flag_counts table