add ConnectionInterfaceSimplePresence dbus props

Signed-off-by: Maksim Melnikau <maxposedon@gmail.com>
add ConnectionInterfaceAliasing stub impl

Signed-off-by: Maksim Melnikau <maxposedon@gmail.com>
MessageReceived adding pending messages impl

Signed-off-by: Maksim Melnikau <maxposedon@gmail.com>