#733 added unique constraint to variable_template table. Fixed backend code to not produce duplicat keys in variable_template
#733 added sprint 28 to our pom file and the missing apply-ticket-related-data entry. Added the code to clean DB since the code was still misbehaving and we will need to clean out duplicates.
Merge branch 't733' into po_ready

Conflicts:
	eScreeningDashboard/pom.xml