Roster: Hide search-bar on hitting Enter on selected individual

https://bugzilla.gnome.org/show_bug.cgi?id=643183
Deploy a signal "menu-item-activated" in EmpathyIndividualMenu

https://bugzilla.gnome.org/show_bug.cgi?id=643183
Emit menu-item-activated when an action is performed from the individual menu

https://bugzilla.gnome.org/show_bug.cgi?id=643183
RosterWindow: Connect to signal "menu-item-activated" from EmpathyIndividualMenu

https://bugzilla.gnome.org/show_bug.cgi?id=643183