LDEV-61 Fixing tool sessions - all users were getting separate tool sessions. Modified library activities to use GROUPING_SUPPORT_OPTIONAL as the grouping support type.
commented out method copyAuthoringFormValuesIntoFormBean FCKEditor fields are now properties in the struts form bean, so there isnt a need to copy the values into the form.
fixed up testCreateToolSessionDefaultContentMissing test case. after removing default content, it will restore the right default content with the default content id that was assigned to it initially
fixed up testCopyToolContentWithDefaultContentMissing test case. after removing default content, it will restore the right default content with the default content id that was assigned to it initially
removeToolContent - it will try to delete files from repository before deleting the NoticeboardContent object.createToolSession - modifications made as to way its saved
files removed.NbAuthoringStarterAction ->code now lies in unspecified method of AuthoringAction class NbMonitoringStarterAction -> code now lies in unspecified method of MonitoringAction class.