GUI -- General GUI backend cleanup and bug fixes. Added custom formatters for existing tables, unit test for Enum Formatter, and more glyphs.

Change-Id: I956f1faf6a59e535094d45b811980f822b084be0
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/GroupViewMessageHandler.java b/web/gui/src/main/java/org/onosproject/ui/impl/GroupViewMessageHandler.java
index b61c1b7..17ef891 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/GroupViewMessageHandler.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/GroupViewMessageHandler.java
@@ -123,9 +123,9 @@
 
                 for (GroupBucket b : buckets) {
                     sb.append("Bytes: ")
-                            .append(Long.toString(b.bytes()))
+                            .append(b.bytes())
                             .append(" Packets: ")
-                            .append(Long.toString(b.packets()))
+                            .append(b.packets())
                             .append(" Actions: ")
                             .append(b.treatment().allInstructions())
                             .append(COMMA);