GUAC-1172: Implement download of specific files via click.

guacamole/src/main/webapp/app/client/templates/guacFileBrowser.html

@@ -25,7 +25,7 @@
 
         <!-- Normal file -->
         <div class="normal-file" ng-show="isNormalFile(file)">
-            <div class="caption">
+            <div class="caption" ng-click="downloadFile(file)">
                 <div class="icon"></div>
                 {{file.name}}
             </div>