Bug fixes

fix for http://drupal.org/node/182934

• Updated the "best practices" examples and added a link to the online documentation. No API or module code changes.

Note: This release is tagged as a “bug fix,” but the bug was only in the example “best practices” code.

#182572 by patlo - Email addresses separated only by comma and not comma-space reported as invalid

Fixed bug that created empty menu link under contact and added German translation done by Jan Dittberner

- #182936 Make it possible to add tabs to the group home via Views
- Public checkbox makes no sense if access control is disabled. Also add hook_requirements() check so admin creates his node type and assigns as group type.

• Fixed class in block-menu.tpl.php