Add color table debug floater

indra/llui/lluicolortable.cpp

indra/llui/lluicolortable.h

indra/newview/CMakeLists.txt

indra/newview/alfloatersettingscolor.cpp

indra/newview/alfloatersettingscolor.h

indra/newview/app_settings/settings_alchemy.xml

indra/newview/llviewerfloaterreg.cpp

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

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

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