MAINT-8052: One more step towards parcel environments.

indra/llinventory/llsettingsbase.cpp

indra/llinventory/llsettingsdaycycle.h

indra/llinventory/llsettingssky.cpp

indra/llinventory/llsettingssky.h

indra/llinventory/llsettingswater.cpp

indra/llinventory/llsettingswater.h

indra/newview/llfloatereditextdaycycle.cpp

indra/newview/llfloatereditextdaycycle.h

indra/newview/llfloaterregioninfo.cpp

indra/newview/llfloaterregioninfo.h

indra/newview/llpanelenvironment.cpp

indra/newview/llpanelenvironment.h

indra/newview/llsettingsvo.cpp

indra/newview/llviewerfloaterreg.cpp

...wview/skins/default/xui/en/floater_edit_ext_day_cycle.xml

...wview/skins/default/xui/en/floater_test_layout_stacks.xml