deposit: independent jquery-ui modules
- Loads jQuery UI modules individually.
- Removes jQuery UI bundle from deposit module.
- Fixes jQuery datepicker module issue.
- Removes globaly exposed functions and refactors the javascript structure.
Signed-off-by: Charalampos Tzovanakis <drjova@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>