Updated configure.ac to support the disabling of D-Bus
Updated configure.ac to support the disabling of D-Bus

dmonakhov/haggle,dmonakhov/haggle,dmonakhov/haggle,dmonakhov/haggle,dmonakhov/haggle,dmonakhov/haggle,dmonakhov/haggle,dmonakhov/haggle,dmonakhov/haggle