restructure some commands

ts/npmci.build.docker.ts

@@ -0,0 +1,10 @@
+import * as plugins from "./npmci.plugins"
+import * as env from "./npmci.env";
+import {tagDocker} from ".npmci.tag";
+export let build = function(){
+    let done = plugins.q.defer();
+    done.resolve();
+    return done.promise;
+}
+
+let getDockerFiles