Bugfix PDF Reader with reverse proxy (#86)

Bugfix Txt Reader
Bugfix for loading covers with reverse proxy

cps/templates/detail.html

@@ -5,7 +5,7 @@
     <div class="col-sm-3 col-lg-3 col-xs-12">
       <div class="cover">
         {% if entry.has_cover is defined %}
-          <img src="{{ url_for('get_cover', cover_path=entry.path) }}" />
+          <img src="{{ url_for('get_cover', cover_path=entry.path.replace('\\','/')) }}" />
         {% endif %}
       </div>
     </div>
@@ -130,7 +130,7 @@
                 </button>
                 <ul class="dropdown-menu" aria-labelledby="btnGroupDrop2">
                   {% for format in entry.data %}
-                  {%if format.format|lower == 'epub' or format.format|lower == 'txt' or format.format|lower == 'pdf' %}
+                  {%if format.format|lower == 'epub' or format.format|lower == 'txt' or format.format|lower == 'pdf' or format.format|lower == 'cbr' or format.format|lower == 'cbt' or format.format|lower == 'cbz' %}
                   <li><a target="_blank" href="{{ url_for('read_book', book_id=entry.id, format=format.format|lower) }}">{{format.format}}</a></li>
                   {% endif %}
                   {%endfor%}