[~FIX] don't allow default attributes inside the attribute-setup
[+BUGFIX] set $graceful parameter to true. This avoid exceptions on Mage::register if the key already exists. This happens if the layered navigation will be included more than once. i. e. left and content
Merge branch 'development' of github.com:Flagbit/Magento-FACTFinder into development
Merge branch 'development' into next
[TASK] build version 3.4.8