Add deduplications for Education, Person Details, Emergency Contacts. Fix
deduplicator for Addresses. Fix gis_onvalidation errors. Fix MV locations.
Remove unused columns from hrm/person.csv. Use main IFRC prepop as well as
Train (removing duplicates) as easier to maintain.
Bugfix
Merge pull request #514 from somayjain/seleniumfix

Specify selenium tests in template's tests.py file