Fixed various checks for permissions, to not rely on sm:has-access(),
which checks for the current user, who is not always the intended user.
Improved support for rendering of icons for actions, and for dealing
with encoded collection names.
Improved functionality for different actions.
Fixed saving of standalone MODS records.
Abstracted the function for processing the URL encoded (by dynatree)
request parameters.
Added support for adding, editing, and deleting standalone MODS records.
Merge pull request #139 from claudius108/master

Restored some functionality