quote index columns on oracle, handle all index changes, minor phpdoc cleanup
quote index columns on oracle, handle all index changes, minor phpdoc cleanup

pollopolea/core,owncloud/core,owncloud/core,owncloud/core,phil-davis/core,owncloud/core,pollopolea/core,pollopolea/core,pollopolea/core,pollopolea/core,owncloud/core