Add conf option for watch all

bee.json

@@ -7,19 +7,11 @@
 	"go_install": false,
 	"watch_ext": [],
 	"dir_structure": {
+		"watch_all": false,
 		"controllers": "",
 		"models": "",
 		"others": []
 	},
 	"cmd_args": [],
-	"envs": [],
-	"bale": {
-		"import": "github.com/beego/beeweb/bale",
-		"dirs": [
-			"views", "static"
-		],
-		"ignore_ext": [
-			".go", ".DS_Store"
-		]
-	}
+	"envs": []
 }