Releases for Organic Groups Blueprints

Changes since DRUPAL-5--1-0-ALPHA5:

• #261855: Fixed deprecated use of call-time pass-by-reference. (Also a bunch of whitespace cleanup)
• Utilize proper lowerCamelCase for all methods.
• Fixed crufty call to old method; paint_over_it() was still in there, was refactored to retain().
• Fixed flipped logic for the blueprint creation button (update vs. create new).
• #270278: Fix to the instantiation routine that was causing errors for releases that had no panel displays in them.
• Rolled back small unintended change to the instantiator.
• Missed one method name refactor; also fixed the final, most-pressing bug in relation to #270278.

Changes since DRUPAL-5--1-0-ALPHA3:

• Updated for compliance with Drupal if/else statement coding standards.
• Updated to keep pace with changes in OG 7.0's data structure.
• Changed text used in 'Releases' table for clarity.
• Just some small tweaking of doxy settings.

Changes since DRUPAL-5--1-0-ALPHA1:

• forgot to add the last crucial bit to the README.txt file.
• small changes to the text for the display layout settings editor buttons. also added t() to the $_POST['op'] value comparisons
• trying to resolve the problem in #253816; changed the unset return value of variable_get() in circumstances where no groups have been set. It's a band-aid, however, as this problem shouldn't be happening in the first place...
• updated comment - should be trying to use drupal_execute(), not drupal_process_form()
• nearly done with the group node type deletion handling
• built new system for handling group content types, in accordance with og-5.x-7.x and upwards. system has been debugged and, unlike the previous system, actually appears to work.
• forgot to add a potential namespace collision safety check. Also, relevant issue (in previous commit, and this one) is #249306.