XNAT-3195: format text in preparation for refactoring
XNAT-3195: New Experiment page needs to factor in limited permissions.  Added REST URLs to query user permissions by project.
XNAT-2899 - Filtering is going unresponsive on Label Column for MR data
XNAT-2899 - Filtering is going unresponsive on Label Column for MR data
XNAT-3285 Added site wide list of PET tracers to be used by the uploader.