Merge pull request #1126 from stevewithington/develop

allow for getExtendedAttributes(name="some extend set name") in content ...
Adding code to remove empty div and class attributes
Adding code to remove empty div and class attributes
Adding code to remove empty div and class attributes
Merge pull request #1127 from stevewithington/develop

add getExtendedAttributesQuery() for content bean and iterator
Merge branch 'develop' of git://github.com/blueriver/MuraCMS into develop