Fixed: 04389: abmultiscalequery is executed more times than is necessary
dev: as createfieldmap is used a lot, we should see performance improvements in all areas

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey@8789 b72ed6b6-b9f8-46b5-92b4-906544132732