Clean output optimised

scripts/Makefile

 single: testrun_single finalise compile status
 
 clean:
-	@echo "\033[1;33mCleaning up...\e[0m"
-	@echo "\e[1m  * Testresults from last testrunx\e[0m"
+	@echo "\033[1;33mCleaning up unittest...\e[0m"
+	@echo "\e[1m  * Testresults from last testrun\e[0m"
 	@ls testresults | xargs -i echo "    testresults/{}"
 	@ls testresults | xargs -i rm -f "testresults/{}"
 	@echo "\e[1m  * Collected coverage information\e[0m"