[ui] Make the documentation link configurable

The top bar user guide link is currently targetting the static
pages delivered by the site. This patches changes that and makes
it configurable through the settings.

Defaults to https://www.idiap.ch/software/beat/docs/beat/docs/stable/beat.web/doc/user/index.html

beat/web/settings/settings.py

@@ -465,3 +465,11 @@ ABSOLUTE_URL_OVERRIDES = {
 }
 
 SERIALIZATION_MODULES = { 'json' : 'beat.web.utils.activity_stream_serializer' }
+
+##############################################################################
+#
+# Documentation
+#
+##############################################################################
+
+DOCUMENTATION_LINK = "https://www.idiap.ch/software/beat/docs/beat/docs/stable/beat.web/doc/user/index.html"
\ No newline at end of file

beat/web/ui/templates/ui/bar.html

@@ -112,7 +112,7 @@
             </ul>
           </div>
         </li>
-        <li><p class="navbar-btn"><a class="btn btn-sm btn-default" title="User Guide" href="{% static "guide/index.html" %}"><i class="fa fa-book fa-fw fa-lg"></i> User Guide</a></p></li>
+        <li><p class="navbar-btn"><a class="btn btn-sm btn-default" title="User Guide" href="{{ documentation_link }}" target="_blank"><i class="fa fa-book fa-fw fa-lg"></i> User Guide</a></p></li>
 
         {% if PREREGISTRATION_ONLY %}
         <li><p class="navbar-btn"><a class="btn btn-sm btn-primary" title="Pre-register now" href="{% url 'pre-registration' %}"><i class="fa fa-plus fa-fw fa-lg"></i> Sign-up</a></p></li>
@@ -138,7 +138,7 @@
             </ul>
           </div>
         </li>
-        <li class="visible-xs"><a href="{% static "guide/index.html" %}"><i class="fa fa-book fa-fw"></i> User Guide</a></li>
+        <li class="visible-xs"><a href="{{ documentation_link }}" target="_blank"><i class="fa fa-book fa-fw"></i> User Guide</a></li>
         <li class="hidden-xs"><a class="menu-icon" title="User Guide" data-toggle="tooltip" data-placement="bottom" href="{% static "guide/index.html" %}"><i class="fa fa-book fa-fw"></i></a></li>
 
         {% if request.user.is_superuser %}

beat/web/ui/templatetags/ui_tags.py

@@ -44,6 +44,7 @@ register = template.Library()
 def navbar(context):
     return {
         'request': context['request'],
+        'documentation_link': settings.DOCUMENTATION_LINK,
         'public_urls': [
             ('experiments', 'experiments:public-list'),
           (False, ''),