First port of DBOutputService to new DB implementation
PoolDBOutputService moved to new DB implementation
IOV and GT schemas changed as SessionImpl attribute
backend functions implemented on abstract interface
continue the git fight
continue the git fight
continue the git fight
continue the git fight
continue the git fight
fight with git
fight with git
Added implementation of ORA IOVSchema interface
Added schema type resolution at transaction time
Introduced ConnectionPool
small changes
Extended connection API to enable the implementation of multi-threading condition pre-loading
reverted back DBOutputService
Merge branch 'new-conddb-only-newconddb-backend-no-pooldboutputservice' into new-conddb

Conflicts:
	CondCore/CondDB/interface/ORAWrapper.h
	CondCore/CondDB/src/ORAWrapper.cc
cleaned up unused code
Cleaned up commented code