Added semantic error for using class method return values as 'out' / 'inout'...

Added semantic error for using class method return values as 'out' / 'inout' parameters (bug 563718)

Signed-off-by: Botond Baranyi <botond.baranyi@ericsson.com>
Change-Id: I44fcec14ed30d7adb99ba2f9acc2889893e40114