CORE-4853: removed unused configuration settings.
Added some function documentation.
CORE-4855: Fixed the documentation for the /directory endpoint.
CORE-4854: Added the code to trigger filetype detection when a file is
added to the DE.
Changed CREATED to DATESUBMITTED and LASTMOD to LASTMODIFIED for the
paged directory listing. Also made the sort-col and sort-order fields
case insensitive.
Updated the documentation for the paged directory listing to reflect the
case-insensitive nature of the sort-col and sort-order parameters.
Changed the DATESUBMITTED field to DATECREATED.
Changed the DATESUBMITTED field to DATECREATED.
Changed PATH to ID.
CORE-4854: Moved the message handling into a separate thread.
Added some doc strings.
Merge branch 'dev' into 2.0

Conflicts:
	src/donkey/services/filesystem/actions.clj
Merge branch '2.0' into dev