Fixed loader when YUI_config already exists
Fixed loader when YUI_config already exists

If YUI_config exists the 'groups' key will not be set if it doesn't already exists

neyric/inputex,benediktarnold/inputex,paulRbr/inputex,neyric/inputex,clicrdv/inputex,clicrdv/inputex,paulRbr/inputex,ArnaudD/inputex,clicrdv/inputex,ArnaudD/inputex,ArnaudD/inputex,ArnaudD/inputex,paulRbr/inputex,benediktarnold/inputex,benediktarnold/inputex,paulRbr/inputex,neyric/inputex,clicrdv/inputex,neyric/inputex,benediktarnold/inputex