MT#19959 add documentation link for reseller login

documentation for api and handbook is shown to the reseller. he can access
the handbook, on the mgm-interface (1443) and the api is available anyway
with appropriate credentials

Change-Id: I619c844bc216ca9667989db64f527d0fa41a722f

share/templates/widgets/reseller_topmenu_settings.tt

@@ -1,3 +1,14 @@
+<li class="dropdown">
+    <a href="javascript:;" class="dropdown-toggle" data-toggle="dropdown">
+        <i class="icon-question-sign"></i>
+        <span>[% c.loc('Documentation') | html %]</span>
+        <b class="caret"></b>
+    </a>
+    <ul class="dropdown-menu">
+        <li><a href="[% c.uri_for('/api/') %]">[% c.loc('API') %]</a></li>
+        <li><a href="[% c.uri_for('/handbook/') %]">[% c.loc('Handbook') %]</a></li>
+    </ul>
+</li>
 <li class="dropdown">
     <a href="javascript:;" class="dropdown-toggle" data-toggle="dropdown">
         <i class="icon-th"></i>