ONOS-2033 - GUI -- Buckets in groups view are one per line, Link direction on links view has HTML arrow.

Change-Id: I6adfb49a05fba0160ce60a22ee4b63bac817fca0
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 d7e1047..c7d539b 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
@@ -103,7 +103,7 @@
         }
 
         private final class BucketFormatter implements CellFormatter {
-            private static final String COMMA = ", ";
+            private static final String BREAK = "<br>";
 
             @Override
             public String format(Object value) {
@@ -121,18 +121,11 @@
                             .append(b.packets())
                             .append(" Actions: ")
                             .append(b.treatment().allInstructions())
-                            .append(COMMA);
+                            .append(BREAK);
                 }
-                removeTrailingComma(sb);
 
                 return sb.toString();
             }
-
-            private StringBuilder removeTrailingComma(StringBuilder sb) {
-                int pos = sb.lastIndexOf(COMMA);
-                sb.delete(pos, sb.length());
-                return sb;
-            }
         }
     }
 }