dashboard: use get_text filter in templates

circle/dashboard/templates/dashboard/_notifications-timeline.html

 {% load i18n %}
+{% load hro %}
 {% for n in notifications %}
   <li class="notification-message" id="msg-{{n.id}}">
     <span class="notification-message-subject">
       {% if n.status == "new" %}<i class="fa fa-envelope-alt"></i> {% endif %}
-      {{ n.subject.get_user_text }}
+      {{ n.subject|get_text:user }}
     </span>
     <span class="notification-message-date pull-right" title="{{n.created}}">
       {{ n.created|timesince }}
     </span>
     <div style="clear: both;"></div>
     <div class="notification-message-text">
-      {{ n.message.get_user_text|safe }}
+      {{ n.message|get_text:user|safe }}
     </div>
   </li>
 {% empty %}

circle/dashboard/templates/dashboard/instanceactivity_detail.html

 {% extends "dashboard/base.html" %}
 {% load i18n %}
+{% load hro %}
 
 {% block content %}
 <div class="body-content">
   <div class="page-header">
     <h1><i class="fa fa-{{icon}}"></i>
-        {{ object.instance.name }}:
-            {% if user.is_superuser %}
-            {{object.readable_name.get_admin_text}}
-            {% else %}
-            {{object.readable_name.get_user_text}}
-            {% endif %}
+        {{ object.instance.name }}: {{object.readable_name|get_text:user}}
     </h1>
   </div>
   <div class="row">
@@ -58,7 +54,7 @@
 
 
             <dt>{% trans "result" %}</dt>
-            <dd><textarea class="form-control">{% if user.is_superuser %}{{object.result.get_admin_text}}{% else %}{{object.result.get_user_text}}{% endif %}</textarea></dd>
+            <dd><textarea class="form-control">{{object.result|get_text:user}}</textarea></dd>
 
             <dt>{% trans "resultant state" %}</dt>
             <dd>{{object.resultant_state|default:'n/a'}}</dd>

circle/dashboard/templates/dashboard/node-detail/_activity-timeline.html

 {% load i18n %}
+{% load hro %}
 <div id="activity-timeline" class="timeline">
 {% for a in activities %}
 <div class="activity" data-activity-id="{{ a.pk }}">
@@ -16,10 +17,7 @@
       <div data-activity-id="{{ s.pk }}" 
         class="sub-activity{% if s.has_failed %} sub-activity-failed{% endif %}"
         >
-    {% if user.is_superuser %}
-    {{ s.readable_name.get_admin_text }}
-    {% else %}
-    {{ s.readable_name.get_user_text }}{% endif %}
+    {{ s.readable_name|get_text:user }}
          &ndash;
         {% if s.finished %}
           {{ s.finished|time:"H:i:s" }}

circle/dashboard/templates/dashboard/vm-detail/_activity-timeline.html

 {% load i18n %}
-
+{% load hro %}
 <div id="activity-timeline" class="timeline">
 
 {% for a in activities %}
@@ -7,10 +7,10 @@
   <span class="timeline-icon{% if a.has_failed %} timeline-icon-failed{% endif %}">
   <i class="fa {% if not a.finished %}fa-refresh fa-spin {% else %}fa-{{a.icon}}{% endif %}"></i>
 </span>
-<strong{% if a.result %} title="{{ a.result.get_user_text }}"{% endif %}>
+<strong{% if a.result %} title="{{ a.result|get_text:user }}"{% endif %}>
   <a href="{{ a.get_absolute_url }}">
     {% if a.times > 1 %}({{ a.times }}x){% endif %}
-    {{ a.readable_name.get_user_text|capfirst }}</a>
+    {{ a.readable_name|get_text:user|capfirst }}</a>
 
 {% if a.has_percent %}
   - {{ a.percentage }}%
@@ -33,9 +33,9 @@
     <div class="sub-timeline">
       {% for s in a.children.all %}
       <div data-activity-id="{{ s.pk }}" class="sub-activity{% if s.has_failed %} sub-activity-failed{% endif %}{% if s.pk == active.pk %} sub-activity-active{% endif %}">
-        <span{% if s.result %} title="{{ s.result.get_user_text }}"{% endif %}>
+        <span{% if s.result %} title="{{ s.result|get_text:user }}"{% endif %}>
           <a href="{{ s.get_absolute_url }}">
-              {{ s.readable_name.get_user_text|capfirst }}</a></span> &ndash;
+              {{ s.readable_name|get_text:user|capfirst }}</a></span> &ndash;
         {% if s.finished %}
           {{ s.finished|time:"H:i:s" }}
         {% else %}