CHUI-573 FIXED Notification chiclet shown when object chiclets are shown

indra/newview/llchiclet.cpp

indra/newview/llchiclet.h

indra/newview/llchicletbar.cpp

indra/newview/llchicletbar.h

indra/newview/llfloaterimsession.cpp

indra/newview/llscriptfloater.cpp

indra/newview/llsyswellwindow.cpp

indra/newview/llsyswellwindow.h

...view/skins/default/textures/bottomtray/Notices_Unread.png

.../skins/default/textures/bottomtray/VoicePTT_Lvl1_Dark.png

.../skins/default/textures/bottomtray/VoicePTT_Lvl2_Dark.png

.../skins/default/textures/bottomtray/VoicePTT_Lvl3_Dark.png

...w/skins/default/textures/bottomtray/VoicePTT_Off_Dark.png

...ew/skins/default/textures/bottomtray/VoicePTT_On_Dark.png

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

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

...ew/skins/default/xui/da/menu_notification_well_button.xml

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

...ew/skins/default/xui/de/menu_notification_well_button.xml

...ew/skins/default/xui/en/menu_notification_well_button.xml