Add some special color handling for avatar names/nearby/minimap/chat

indra/newview/CMakeLists.txt

indra/newview/alavatargroups.cpp

indra/newview/alavatargroups.h

indra/newview/app_settings/settings_alchemy.xml

indra/newview/llavatarlist.cpp

indra/newview/llavatarlist.h

indra/newview/llavatarlistitem.cpp

indra/newview/llavatarlistitem.h

indra/newview/llnetmap.cpp

indra/newview/llviewerchat.cpp

indra/newview/llvoavatar.cpp

indra/newview/llvoavatar.h

indra/newview/skins/default/colors.xml

.../newview/skins/default/xui/en/menu_people_nearby_view.xml

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