CLOSES #9

Minor fix: updated HEAL XSD schema location URL.
Closes #9: Fix: repeatable elements (such as dc.subject) are now exposed
correctly (only the first was previously returned).
CLOSES #12
minor fix
#12: Improved input compononents layout.
Μεταφράστηκαν τα templates για τα email notifications
Merge remote-tracking branch 'upstream/heal_dspace-1.8.2-branch' into ntua

Conflicts:
	dspace/config/dspace.cfg