feat(user preferences) Add User Preferences & Theming to Standalone Viewer (closes #117). Update Standalone to Meteor 1.7

Packages/ohif-viewerbase/client/components/viewer/userPreferences/dialog.html

@@ -0,0 +1,20 @@
+<template name="userPreferencesDialog">
+    {{#dialogSimple (extend this class='themed' dialogClass='dialog-user-preferences modal-lg' title='User Preferences')}}
+        <div class="dialog-separator-after">
+            <ul class="nav nav-tabs">
+                <li role="presentation" class="{{tabClasses 'hotkeys'}}">
+                    <a href="#" data-id="hotkeys">Keyboard Shortcuts</a>
+                </li>
+                <li role="presentation" class="{{tabClasses 'wwwc'}}">
+                    <a href="#" data-id="wwwc">Window/Levels</a>
+                </li>
+            </ul>
+        </div>
+        <div class="{{#unless eq instance.activeTab.get 'hotkeys'}}hidden{{/unless}}">
+            {{>hotkeysForm (extend contextName='viewer')}}
+        </div>
+        <div class="{{#unless eq instance.activeTab.get 'wwwc'}}hidden{{/unless}}">
+            {{>windowLevelPresetsForm}}
+        </div>
+    {{/dialogSimple}}
+</template>