STORM-1580 WIP Implemented new "Working" and "Success/Failure" screens.

indra/newview/CMakeLists.txt

indra/newview/llfloatersnapshot.cpp

indra/newview/llfloatersnapshot.h

indra/newview/llpanelpostprogress.cpp

indra/newview/llpanelpostresult.cpp

indra/newview/llpanelsnapshot.cpp

indra/newview/llpanelsnapshot.h

indra/newview/llpanelsnapshotinventory.cpp

indra/newview/llpanelsnapshotlocal.cpp

indra/newview/llpanelsnapshotpostcard.cpp

indra/newview/llpanelsnapshotprofile.cpp

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

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

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

...a/newview/skins/default/xui/en/panel_snapshot_options.xml