Improving jshint

- Including JS files under horizon/static/angular/ folder.
- Adding .jshintrc to allow globals defined by jQuery, Angular,
  Angular mock, Jasmine, d3 and jsi18n.
- Allowing global strict mode in spec files.

Change-Id: I07359a4b3044cd5f675eef3b7df99398df909f81
Closes-Bug: #1419625

.jshintrc

@@ -0,0 +1,33 @@
+{
+  "browser": true,
+  "trailing": true,
+  "evil": true,
+
+  "globals": {
+    "jQuery": false,
+    "$": false,
+
+    "angular": false,
+    "module": false,
+    "inject": false,
+
+    "describe": false,
+    "beforeEach": false,
+    "afterEach": false,
+    "beforeAll": false,
+    "afterAll": false,
+    "it": false,
+    "expect": false,
+
+    "d3": false,
+
+    "pluralidx": false,
+    "gettext": false,
+    "ngettext": false,
+    "gettext_noop": false,
+    "pgettext": false,
+    "npgettext": false,
+    "interpolate": false,
+    "get_format": false
+  }
+}

horizon/static/angular/help-panel/help-panel.spec.js

@@ -1,3 +1,4 @@
+/* jshint globalstrict: true */
 'use strict';
 
 describe('hz.widget.help-panel module', function() {

horizon/static/angular/modal/simple-modal.spec.js

@@ -1,3 +1,4 @@
+/* jshint globalstrict: true */
 'use strict';
 
 describe('hz.widget.modal module', function(){

horizon/static/angular/wizard/wizard.spec.js

@@ -1,3 +1,4 @@
+/* jshint globalstrict: true */
 'use strict';
 
 describe('hz.widget.wizard module', function () {

run_tests.sh

@@ -157,6 +157,7 @@ function run_jshint {
   echo "Running jshint ..."
   jshint horizon/static/horizon/js
   jshint horizon/static/horizon/tests
+  jshint horizon/static/angular/
 }
 
 function warn_on_flake8_without_venv {