STORM-1305 WIP User sky presets now go first in all lists.

indra/newview/llenvmanager.cpp

indra/newview/llfloaterdaycycle.cpp

indra/newview/llfloaterdeleteenvpreset.cpp

indra/newview/llfloatereditdaycycle.cpp

indra/newview/llfloatereditsky.cpp

indra/newview/llfloaterenvironmentsettings.cpp

indra/newview/llfloaterregioninfo.cpp

indra/newview/llfloaterwindlight.cpp

indra/newview/llwlanimator.cpp

indra/newview/llwlparammanager.cpp

indra/newview/llwlparammanager.h