handle calls to lux:search with explicit sort args (don't optimize)
handle calls to lux:search with explicit sort args (don't optimize)

git-svn-id: 70ea2e2438545e53c1a57116d9bc498ccdd9cff9@1308 d2cdb213-60f8-4f1b-b4b2-f6b941818144

coyotesqrl/lux,msokolov/lux,msokolov/lux