update dependencies and add tag function

ts/npmci.tag.ts

@@ -0,0 +1,13 @@
+import "typings-global";
+import * as plugins from "./npmci.plugins";
+import {prepare} from "./npmci.prepare";
+import {bash} from "./npmci.bash";
+import * as env from "./npmci.env";
+
+export let tag = function(commandOptionArg){
+    
+}
+
+export let retag = function(){
+    
+};