-Some tool tips added
-Fixed an error where the user would not be able to delete all sample
documents
-Fixed a bug where the "Add Test Document" button would fail to be
re-enabled if the user cleared their problem set.

-Added log statements to areas of interest for debugging.
Merge remote-tracking branch 'origin/Marc_Anonymouth' into
andrew_dev_anonymouth

Conflicts:
	src/edu/drexel/psal/anonymouth/gooie/DriverDocumentsTab.java