Small fixes and typos

package.json

@@ -83,7 +83,7 @@
         "c9.ide.help.support": "#60e88f5680",
         "c9.ide.imgeditor": "#08bbc53578",
         "c9.ide.immediate": "#6845a93705",
-        "c9.ide.installer": "#7993ca3181",
+        "c9.ide.installer": "#a69136d696",
         "c9.ide.mount": "#32e79866ee",
         "c9.ide.navigate": "#64156c7f4a",
         "c9.ide.newresource": "#f1f0624768",

plugins/c9.cli.publish/install.js

@@ -15,6 +15,8 @@ define(function(require, exports, module) {
         var installer = imports.installer;
         var installerCLI = imports["installer.cli"];
         
+        var dirname = require("path").dirname;
+        
         var TEST_MODE = !!process.env.C9_TEST_MODE;
         var TAR = "tar";
         var APIHOST = options.apiHost;