[fix] favicon paths

searx/templates/courgette/result_templates/map.html

 <div class="result {{ result.class }}">
 
   {% if "icon_"~result.engine~".ico" in favicons %}
-    <img width="14" height="14" class="favicon" src="static/{{theme}}/img/icons/icon_{{result.engine}}.ico" alt="{{result.engine}}" />
+  <img width="14" height="14" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico') }}" alt="{{result.engine}}" />
   {% endif %}
 
   <div>

searx/templates/courgette/result_templates/videos.html

 <div class="result">
   {% if "icon_"~result.engine~".ico" in favicons %}
-    <img width="14" height="14" class="favicon" src="static/{{theme}}/img/icons/icon_{{result.engine}}.ico" alt="{{result.engine}}" />
+      <img width="14" height="14" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico') }}" alt="{{result.engine}}" />
   {% endif %}
 
       <h3 class="result_title"><a href="{{ result.url }}">{{ result.title|safe }}</a></h3>

searx/templates/default/result_templates/map.html

 <div class="result {{ result.class }}">
 
   {% if "icon_"~result.engine~".ico" in favicons %}
-    <img width="14" height="14" class="favicon" src="static/{{theme}}/img/icons/icon_{{result.engine}}.ico" alt="{{result.engine}}" />
+    <img width="14" height="14" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico) }}" alt="{{result.engine}}" />
   {% endif %}
 
   <div>

searx/templates/default/result_templates/torrent.html

 <div class="result torrent_result">
+  {% if "icon_"~result.engine~".ico" in favicons %}
+    <img width="14" height="14" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico) }}" alt="{{result.engine}}" />
+  {% endif %}
     <h3 class="result_title"><a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
     <p class="url">{{ result.pretty_url }}</p>
     {% if result.content %}<p class="content">{{ result.content|safe }}</p>{% endif %}

searx/templates/default/result_templates/videos.html

 <div class="result">
-      <h3 class="result_title">{% if "icon_"~result.engine~".ico" in favicons %}<img width="14" height="14" class="favicon" src="static/{{theme}}/img/icons/icon_{{result.engine}}.ico" alt="{{result.engine}}" />{% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
+    <h3 class="result_title">{% if "icon_"~result.engine~".ico" in favicons %}<img width="14" height="14" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico') }}" alt="{{result.engine}}" />{% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h3>
       {% if result.publishedDate %}<p class="published_date">{{ result.publishedDate }}</p>{% endif %}
       <a href="{{ result.url }}"><img class="thumbnail" src="{{ result.thumbnail }}" title="{{ result.title|striptags }}" alt="{{ result.title|striptags }}"/></a>
       <p class="url">{{ result.url }}</p>

searx/templates/oscar/result_templates/default.html

 {% from 'oscar/macros.html' import icon %}
 
-<h4 class="result_header">{% if result.engine~".png" in favicons %}<img width="32" height="32" class="favicon" src="{{ url_for('static', filename='img/icons/icon_'+result.engine+'.ico') }}" alt="{{ result.engine }}" /> {% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h4>
+<h4 class="result_header">{% if result.engine~".png" in favicons %}<img width="32" height="32" class="favicon" src="{{ url_for('static', filename='img/icons/'+result.engine+'.png') }}" alt="{{ result.engine }}" /> {% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h4>
 
 {% if result.publishedDate %}<time class="text-muted" datetime="{{ result.pubdate }}" >{{ result.publishedDate }}</time>{% endif %}
 <small><a class="text-info" href="https://web.archive.org/web/{{ result.url }}">{{ icon('link') }} {{ _('cached') }}</a></small>

searx/templates/oscar/result_templates/map.html

 {% from 'oscar/macros.html' import icon %}
 
-<h4 class="result_header">{% if result.engine~".png" in favicons %}<img width="32" height="32" class="favicon" src="static/{{ theme }}/img/icons/{{ result.engine }}.png" alt="{{ result.engine }}" /> {% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h4>
+<h4 class="result_header">{% if result.engine~".png" in favicons %}<img width="32" height="32" class="favicon" src="{{ url_for('static', filename='img/icons/'+result.engine+'.png') }}" alt="{{ result.engine }}" /> {% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h4>
 
 {% if result.publishedDate %}<time class="text-muted" datetime="{{ result.pubdate }}" >{{ result.publishedDate }}</time>{% endif %}
 

searx/templates/oscar/result_templates/torrent.html

 {% from 'oscar/macros.html' import icon %}
 
-<h4 class="result_header">{% if result.engine~".png" in favicons %}<img width="32" height="32" class="favicon" src="static/{{ theme }}/img/icons/{{ result.engine }}.png" alt="{{ result.engine }}" /> {% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h4>
+<h4 class="result_header">{% if result.engine~".png" in favicons %}<img width="32" height="32" class="favicon" src="{{ url_for('static', filename='img/icons/'+result.engine+'.png') }}" alt="{{ result.engine }}" /> {% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h4>
 
 {% if result.publishedDate %}<time class="text-muted" datetime="{{ result.pubdate }}" >{{ result.publishedDate }}</time>{% endif %}
 <small><a class="text-info" href="https://web.archive.org/web/{{ result.url }}">{{ icon('link') }} {{ _('cached') }}</a></small>

searx/templates/oscar/result_templates/videos.html

 {% from 'oscar/macros.html' import icon %}
 
-<h4 class="result_header">{% if result.engine~".png" in favicons %}<img width="32" height="32" class="favicon" src="static/{{ theme }}/img/icons/{{ result.engine }}.png" alt="{{ result.engine }}" /> {% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h4>
+<h4 class="result_header">{% if result.engine~".png" in favicons %}<img width="32" height="32" class="favicon" src="{{ url_for('static', filename='img/icons/'+result.engine+'.png') }}" alt="{{ result.engine }}" /> {% endif %}<a href="{{ result.url }}">{{ result.title|safe }}</a></h4>
     
 {% if result.publishedDate %}<time class="text-muted" datetime="{{ result.pubdate }}" >{{ result.publishedDate }}</time>{% endif %}
 <small><a class="text-info" href="https://web.archive.org/web/{{ result.url }}">{{ icon('link') }} {{ _('cached') }}</a></small>