Added make file.

Makefile

+default:
+	@echo 'make tar DIRECTORY=Aufgabenblatt_X  | creates a tar archiv for given pattern'
+	@echo 'make clean                          | removed all class and tmp files'
+
+tar:
+	tar czf Algodat_2012-$(DIRECTORY)-dmeiss2s.tar.gz $(DIRECTORY)* --exclude=nbproject --exclude=manifest.mf --exclude=build  --exclude==dist/ --exclude=.class --exclude=build.xml --exclude=dist --exclude="*.dia"
+	mv $(IRECTORY)*.tar.gz ~/Downloads/
+
+clean:
+	find . -name "*class" -exec rm {} \;