desktop ex: restore QMAKE_PROJECT_NAME
desktop ex: restore QMAKE_PROJECT_NAME

To avoid MSVC .sln clashes

communi/communi-symbian,sevanteri/communi-desktop,gdamjan/communi-desktop,communi/communi-desktop,jpnurmi/communi-desktop,communi/communi-symbian,communi/communi-symbian,communi/communi-symbian,communi/communi-desktop