Adding user preferences to LT and Viewer

LesionTracker/client/components/userPreferences/dialog.html

@@ -0,0 +1,18 @@
+<template name="userPreferencesDialog">
+    {{#dialogSimple (extend this class='themed' dialogClass='dialog-user-preferences modal-lg' title='User Preferences')}}
+        <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 W/L</a>
+            </li>
+        </ul>
+        <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>