Update API to use getUnique message
Save PollingLocation template to CoreData
Move API categories to new group and Election+API comments
Always use officialOnly in voterInfo request
Update DataSource to many-to-many relationships
Implement necessary DataSource methods
Add VIPAddress model for voterinfo response
Cleanup datasource references, allow non-unique names
Load PollingLocations/EarlyVotingSites to Election object
Partially load voterInfo query: PollingLocations only
Make unit tests pass
Reorder/cleanup imports
PR cleanup
Merge branch 'feature/load-voter-info' into develop