SYNC-274 - trim exclude/include classnames when saving
SYNC-279 - adding index to sync_record.timestamp, sync_record.state and sync_server_record.server_id
Follow up to add test to ensure the api call is failed if a sync record
can't be created - SYNC-287
Merge pull request #7 from sunbiz/SYNC-274

SYNC-274 - trim exclude/include classnames when saving
SYNC-279 - Follow-up comments
Merge pull request #8 from sunbiz/SYNC-279

SYNC-279 - adding index to sync_record.timestamp, sync_record.state