move the online part which depends on oracle (occi) out to new package OnlineDB/HcalCondDB/; update CondTools/Hcal/BuildFile.xml to remove oracle and occi
use headers from this package, not from CondTools/Hcal
Merge pull request #6489 from apfeiffer1/noOracleInHcalPlugin73x-update

update to removal of oracle in hcal plugin (73x)