Added Error Handling when no more commits are available

src/GitList/Controller/NetworkController.php

@@ -55,6 +55,7 @@ class NetworkController implements ControllerProviderInterface
                 }
 
                 $nextPageUrl = null;
+				
                 if ($pager['last'] !== $pager['current']) {
                     $nextPageUrl = $app['url_generator']->generate(
                         'networkData',
@@ -66,6 +67,18 @@ class NetworkController implements ControllerProviderInterface
                     );
                 }
 				
+				// when no commits are given, return an empty response - issue #369
+				if( count($commits) === 0 ) {
+					return $app->json( array( 
+						'repo' => $repo,
+						'commitishPath' => $commitishPath,
+						'nextPage' => null,
+						'start' => null,
+						'commits' => $jsonFormattedCommits
+						), 200
+					);
+				}
+
                 return $app->json( array(
                     'repo' => $repo,
                     'commitishPath' => $commitishPath,

web/js/networkGraph.js

@@ -351,7 +351,7 @@
 		}
 
 		function handleNoAvailableData() {
-			console.log('No Data available');
+			window.console && console.log('No (more) Data available');
 		}
 
 		var awaitedParents = {};