Remove unneeded information from service status

The previous way was showing the following:
calamari-7seg-value.fbp - active (running) since Wed 2015-10-21
04:32:23 UTC; 58s ago

With the patch it get more directly and shorter:
calamari-7seg-value.fbp - active (running) 58s ago

Signed-off-by: Bruno Bottazzini <bruno.bottazzini@intel.com>

client/js/controllers/editor.js

@@ -723,6 +723,7 @@
                                 } else {
                                     $scope.isServiceRunning = false;
                                 }
+                                $scope.ServiceStatus = $scope.ServiceStatus.replace(/since.*;/,"");
                             }).error(function(){
                                 $scope.ServiceStatus = "Failed to get service information";
                             });