fix #482.  when a contact override is cleared, reset the contact’s address to the current household default or seasonal.
fix #482.  when a contact override is cleared, reset the contact’s address to the current household default or seasonal.
support #494.  If a contact has an address override, then edits to its mailing address creates a new non-default address override.
get ManageHouseholdUI working in managed package namespace
Merge pull request #507 from SalesforceFoundation/feature/409-address-mgmt

Address Mgmt features and working in npsp namespace
Merge dev into feature/47-hhaccount-conversion