Merged requested to merge malowe/eclipsefdn-api-common:malowe/master/q_2_upgrade into master
- Fixed configuration source which added a new method to implement
- Repaired the persistence extension BuildTime processor which had references to no longer existing buildstep enhancements.
- Added missing config values for Solr DAO that caused build failures with more strict default value checking.
- Added explicit creation of placeholder DB DAO for search, as the unremovable flag was ignored.