rules 7.x-2.0-rc1

Changes since 7.x-2.0-beta3:

• #1251928 Don't deal with configuration entities.
• #1248912 follow-up: correctly apply the 'bypass rules access' permission when adding elements.
• #1248912 fix rules-config access to properly check for edit access + improve handling access in general. Now not accessible rule configurations are hidden from the UI. Includes a small API change for RulesPluginUI::getOptions().
• fixed rules scheduler description
• removed a deprecated todo
• #1236590 patch by sepgil, fago: fix placement of tag autocompletion suggestion in the settings fieldset.
• #1223028 patch by fago, klausi: care about configuration dependencies and broken configurations in general. includes UI improvements and tests.
• #1250724 patch by sepgil: allow rules UI to be embedded in $form sub-array.
• #1142852 improve error handling and add edit-links to the debug log.