Render general timeline columns

app/assets/javascripts/angular/filters/column_filters.js

@@ -0,0 +1,14 @@
+timelinesApp
+  .filter('getOptionColumn', function() {
+    var map = {
+      "type": "getTypeName",
+      "status": "getStatusName",
+      "responsible": "getResponsibleName",
+      "assigned_to": "getAssignedName",
+      "project": "getProjectName"
+    };
+
+    return function(nodeData, option) {
+      return nodeData[map[option]]();
+    };
+  });

public/templates/timelines/tree.html

@@ -27,13 +27,10 @@
     </span>
   </td>
 
-<!--
   <td ng-repeat="option in timeline.options.columns">
-    (typeof availableRows[option] === 'function') && availableRows[option].call(node.payload, node.payload) || availableRows.general.call(node.payload, node.payload, option)
-  </td>
- -->
-  <td ng-repeat="option in timeline.options.columns">
-    {{node[option]}}
+    <span class="tl-column">
+      {{node.payload | getOptionColumn:option}}
+    </span>
   </td>
 
 </tr>