Enable checkstyle member and local variable checks

Enable checkstyle member and local variable name checks, and fix any violations that are detected.

Change-Id: I7524635cd39a9627b041e2ff6be169810f63913e
diff --git a/src/main/java/net/onrc/onos/core/datagrid/web/IntentResource.java b/src/main/java/net/onrc/onos/core/datagrid/web/IntentResource.java
index fccea27..4dbebe8 100755
--- a/src/main/java/net/onrc/onos/core/datagrid/web/IntentResource.java
+++ b/src/main/java/net/onrc/onos/core/datagrid/web/IntentResource.java
@@ -39,7 +39,7 @@
 public class IntentResource extends ServerResource {
     private final static Logger log = LoggerFactory.getLogger(IntentResource.class);
     // TODO need to assign proper application id.
-    private final String APPLN_ID = "1";
+    private static final String APPLN_ID = "1";
 
     @Post("json")
     public String store(String jsonIntent) throws IOException {