Updated Makefile to use slug as file name.

Makefile

@@ -1,9 +1,10 @@
 PACKAGE	= OgreAlert
-DIR		= ./$(PACKAGE)
+SLUG	= ogrealert
+DIR		= ./build
 
-all: $(PACKAGE).zip
+all: $(SLUG).zip
 
-$(PACKAGE).zip: clean dir copy zip
+$(SLUG).zip: clean dir copy zip
 
 dir:
 	mkdir $(DIR)
@@ -16,16 +17,16 @@ copy:
 	cp -f ./* $(DIR) || true
 
 	rm $(DIR)/Makefile
-	rm $(DIR)/$(PACKAGE).zip || true
+	rm $(DIR)/$(SLUG).zip || true
 
 	rm -r $(DIR)/assets/sass/lib
 	rm $(DIR)/assets/sass/*.scss
 	rm $(DIR)/assets/sass/*.map
 
 zip:
-	zip -r ./$(PACKAGE).zip $(DIR)
+	zip -r ./$(SLUG).zip $(DIR)
 	rm -r $(DIR) || true
 
 clean:
 	rm -r $(DIR) || true
-	rm ./$(PACKAGE).zip || true
+	rm ./$(SLUG).zip || true