[DRTVWR-455] - add new bake testure and tattoo slots

indra/llprimitive/llprimitive.cpp

indra/llprimitive/llprimitive.h

indra/newview/llpaneleditwearable.cpp

indra/newview/skins/default/xui/en/floater_texture_ctrl.xml

indra/newview/skins/default/xui/en/panel_edit_tattoo.xml

indra/newview/skins/default/xui/en/panel_edit_wearable.xml

indra/newview/tests/lldateutil_test.cpp

indra/newview/tests/llworldmap_test.cpp