merging in latest changes

indra/llui/llbutton.cpp

indra/llui/llflashtimer.cpp

indra/llui/llflashtimer.h

indra/newview/llchiclet.cpp

indra/newview/llchiclet.h

indra/newview/llchicletbar.cpp

indra/newview/llconversationmodel.cpp

indra/newview/llconversationview.cpp

indra/newview/llfloaterimsession.cpp

indra/newview/llfloaterimsession.h

indra/newview/llfloaterimsessiontab.cpp

indra/newview/llparticipantlist.cpp

indra/newview/llsyswellwindow.cpp

...a/newview/skins/default/textures/bottomtray/Unread_IM.png

indra/newview/skins/default/textures/textures.xml

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

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