Cleaning up application titles, descriptions and categories.

Change-Id: I80f9770697cbf29b6bde2b20778c341b0f403d9f
diff --git a/apps/pathpainter/BUCK b/apps/pathpainter/BUCK
index 7bd1c17..71eec89 100644
--- a/apps/pathpainter/BUCK
+++ b/apps/pathpainter/BUCK
@@ -10,8 +10,11 @@
 )
 
 onos_app (
-    title = 'Path Visualization App',
+    title = 'Path Visualization',
     category = 'Utility',
     url = 'http://onosproject.org',
-    description = 'Path visualization application.',
+    description = 'Extends the GUI topology view by adding an overlay that allows the operator ' +
+        'to visualize topology paths using various forms of path-finding algorithms such as ' +
+        'the Dijkstra shortest path using default link metric (ONOS default), using geographic ' +
+        'distances, disjoint paths, etc.',
 )