refactored top level ui into main_view.xml

indra/llui/llfloater.cpp

indra/llui/llmenugl.cpp

indra/llui/llmenugl.h

indra/llui/lltooltip.cpp

indra/newview/llbottomtray.cpp

indra/newview/lldebugview.cpp

indra/newview/lldebugview.h

indra/newview/llfloatersnapshot.cpp

indra/newview/llmoveview.cpp

indra/newview/llviewermenu.cpp

indra/newview/llviewermenu.h

indra/newview/llviewerwindow.cpp

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

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