make clean clean up a bit more and excluded files from rat report that have Adobe or FlexLib copyright
make clean clean up a bit more and excluded files from rat report that have Adobe or FlexLib copyright

SlavaRa/flex-flexunit,apache/flex-flexunit,SlavaRa/flex-flexunit,apache/flex-flexunit,SlavaRa/flex-flexunit,SlavaRa/flex-flexunit,apache/flex-flexunit,apache/flex-flexunit