KNL-1168 Cleanup CollectionAccessFormatter

This removed comment out code. Removes a deprecated and unused method. Removes unused imports. Uses imports instead of fully qualified class names. Logs at INFO level any exceptions when rendering items so they have a chance of being found and fixed rather than being ignored.

git-svn-id: https://source.sakaiproject.org/svn/kernel/trunk@134209 66ffb92e-73f9-0310-93c1-f5514f145a0a