Added 'clean' target to Makefile

Makefile

@@ -45,8 +45,10 @@ help:
 	    echo "make rpms_revisor     <--- create binary rpms for Revisor"; \
 	    echo; \
 	    echo "make update-repo      <-- copy newly generated rpms to installer yum repo";\
-	    echo; \
 		echo "make iso              <== \o/";\
+	    echo; \
+		echo "make clean";\
+	    echo; \
 	    exit 0;
 
 .PHONY: rpms rpms_anaconda rpms_firstboot rpms_logos rpms_release rpms_revisor \
@@ -95,3 +97,8 @@ update-repo:
 iso:
 	ln -sf `pwd` /tmp/qubes-installer
 	revisor --cli --config=conf/qubes-install.conf --model=qubes-x86_64 --install-dvd
+
+clean:
+	rm -fr rpm/SOURCES/*.bz2
+	rm -fr rpm/noarch/*.rpm
+	rm -fr rpm/x86_64/*.rpm