Added icons to more buttons

public/js/tpl/missions/upload.html

@@ -4,5 +4,8 @@
     <input type="file" class="form-control path" name="mission" id="mission" data-field="mission">
     <span class="help-block">Only supports missions packed as a PBO</span>
   </div>
-  <button type="submit" class="btn btn-primary ladda-button" data-style="expand-left">Upload</button>
+  <button type="submit" class="btn btn-primary ladda-button" data-style="expand-left">
+    <span class="glyphicon glyphicon-cloud-upload"></span>
+    Upload
+  </button>
 </form>

public/js/tpl/missions/workshop.html

@@ -7,5 +7,8 @@
       <i>https://steamcommunity.com/workshop/filedetails/?id=$id</i>
     </span>
   </div>
-  <button type="submit" class="btn btn-primary ladda-button" data-style="expand-left">Download</button>
+  <button type="submit" class="btn btn-primary ladda-button" data-style="expand-left">
+    <span class="glyphicon glyphicon-cloud-download"></span>
+    Download
+  </button>
 </form>

public/js/tpl/servers/list.html

@@ -12,4 +12,7 @@
   <tbody></tbody>
 </table>
 
-<a class="btn btn-primary" id="add-server" href="#">Add new server</a>
+<a class="btn btn-primary" id="add-server" href="#">
+  <span class="glyphicon glyphicon-plus"></span>
+  Add new server
+</a>

public/js/tpl/servers/view.html

@@ -1,7 +1,10 @@
 <h2><%-title%></h2>
 
 <form>
-  <button class="btn btn-default btn-primary pull-right" type="submit">Save</button>
+  <button class="btn btn-default btn-primary pull-right" type="submit">
+    <span class="glyphicon glyphicon-floppy-disk"></span>
+    Save
+  </button>
 </form>
 
 <!-- Nav tabs -->