avatar_selection 5.x-2.7

Changes since DRUPAL-5--2-6:

New Features:

• #282832 - added ability to set default name for bulk uploaded avatars.
• Modified the table structure, added two new tables and modified the image list generation sql so as to help improve performance.

Bug Fixes, maintenance, etc:

• #280612 - fix for missing update function.
• #280320 - patch for avatar page numbers not centering in one number and not only showing a subset of the numbers for long lists.
• #282487 - Removed some unused code
• #288596 - fix for uninstall not removing two tables.
• #289481 - fix for organic groups error when module is enabled but no groups are configured.
• #289481 - fixed issue where random avatar isn't assigned when custom image is deleted.
• #288491 - fix for distinct avatars feature not working.
• Fixed issue with deleting custom avatar and selecting a new avatar from the selection in the one form submit.
• Fixed psql support
• Removed auto_increment from col, not supported really in D5.
• Removed "IN (%s)" and replaced it with a db_placeholders equivalent.
• Updated coding style.
• Updated translation tempalte file.