Connect on get resource, for quoteValue
IBM Does not need the resource
Check if connection already is connected, and add unit test for PDO Connection getResource method
Cleaned up docblock
PR #4078 Merge branch 'fix-db-resource' of git://github.com/Mech7/zf2 into Mech7-fix-db-resource
PR #4078 Additions - added preservation of lazy loading to Platform - added error checking on pg_connect()