Update Makefile

Change-Id: I4de65a2019aa031c4eb817742496e283ccba884d

Makefile

@@ -27,6 +27,7 @@ KITCHEN_OPTS_TEST?=""
 
 all:
 	@echo "make install - Install into DESTDIR"
+	@echo "make lint    - Run lint tests"
 	@echo "make test    - Run tests"
 	@echo "make kitchen - Run Kitchen CI tests (create, converge, verify)"
 	@echo "make clean   - Cleanup after tests run"
@@ -45,6 +46,9 @@ install:
 	[ -d $(DESTDIR)/$(RECLASSDIR)/service/$(FORMULANAME) ] || mkdir -p $(DESTDIR)/$(RECLASSDIR)/service/$(FORMULANAME)
 	cp -a metadata/service/* $(DESTDIR)/$(RECLASSDIR)/service/$(FORMULANAME)
 
+lint:
+	[ ! -d tests ] || (cd tests; ./run_tests.sh lint)
+
 test:
 	[ ! -d tests ] || (cd tests; ./run_tests.sh)