Support for separator specification in CSV now in frontend

app/index.html

@@ -121,6 +121,12 @@
             <input type="file" name="source" />
           </div>
         </div>
+        <div class="control-group">
+          <label class="control-label">Separator</label>
+          <div class="controls">
+            <input type="text" name="separator" value="," class="spam1"/>
+          </div>
+        </div>
         <div class="form-actions">
           <button type="submit" class="btn btn-primary">Import &raquo;</button>
         </div>

app/js/app.js

@@ -127,9 +127,12 @@ function setupLoader(callback) {
     $('.modal.js-import-dialog-file').modal('hide');
     var $file = $form.find('input[type="file"]')[0];
     var file = $file.files[0];
+    var options = {
+        separator : $form.find('input[name="separator"]').val()
+    };
     recline.Backend.loadFromCSVFile(file, function(dataset) {
       callback(dataset)
-    });
+    }, options);
   });
 }