Enable checkstyle whitespace rules

Enable checkstyle whitespace rules and fix the violations that are reported.
Also suppressed checkstyle errors from Topology.java, which is machine generated.

Change-Id: I7c608321359f31b3b70c77a20b77e46306d4d2ec
diff --git a/src/main/java/net/onrc/onos/core/intent/runtime/PathCalcRuntimeModule.java b/src/main/java/net/onrc/onos/core/intent/runtime/PathCalcRuntimeModule.java
index bacb5a3..d6cd25a 100755
--- a/src/main/java/net/onrc/onos/core/intent/runtime/PathCalcRuntimeModule.java
+++ b/src/main/java/net/onrc/onos/core/intent/runtime/PathCalcRuntimeModule.java
@@ -315,7 +315,7 @@
             log.debug("Unmatched link events: {} events", unmatchedLinkEvents.size());
         }
 
-        if (rerouteAll) {//addedLinkEvents.size() > 0) { // ||
+        if (rerouteAll) { //addedLinkEvents.size() > 0) { // ||
 //                              addedPortEvents.size() > 0 ||
 //                              addedSwitchEvents.size() > 0) {
             p.log("begin_getAllIntents");