add new file menu item
fix test for editing support
core-4914 update text for filtered items.
Merge branch 'file-editing'
core-5044 core-5045 add new end points for file edit and save
CORE-5042 Updates for DiskResourceInfo fields.

Modified and Created fields are now Dates rather than strings.
core-5044 add refresh qstring to tree service
core-4914 show info about filtered item
core-4934 fix permissions selection drop down.
core-5030 changes for download contents
Merge branch 'master' into STABLE