Support the new L and c date symbols for stand-alone months and day names, so that we can support the new formats from CLDR.
Support the new L and c date symbols for stand-alone months and day names, so that we can support the new formats from CLDR.

git-svn-id: 845de7af68fb4765c215778fe0bc747c50d736d9@1861 5ac057f5-ce63-4fb3-acd1-ab13b794ca36

iLib-js/iLib,iLib-js/iLib,iLib-js/iLib,iLib-js/iLib,iLib-js/iLib