Update projectimport.js to use the gulp buildsystem

Author: gregmuellegger

gulpfile.js

@@ -17,7 +17,10 @@ var gulp = require('gulp'),
 // picking up dependencies of the primary entry points and putting any
 // limitations on directory structure for entry points.
 var sources = {
-    core: ['js/readthedocs-doc-embed.js'],
+    core: [
+        'js/readthedocs-doc-embed.js',
+        'js/projectimport.js',
+    ],
     projects: ['js/tools.js'],
     gold: ['js/gold.js'],
     donate: ['js/donate.js']

readthedocs/core/static-src/core/js/django-csrf.js

@@ -1,11 +1,9 @@
-var $ = require('jquery');
-
-
 function csrfSafeMethod(method) {
     // these HTTP methods do not require CSRF protection
     return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
 }
 
+
 $.ajaxSetup({
     beforeSend: function(xhr, settings) {
         if (!csrfSafeMethod(settings.type) && !this.crossDomain) {

readthedocs/core/static-src/core/js/projectimport.js

@@ -1,4 +1,3 @@
-$ = require('jquery');
 require('./django-csrf.js');