Fixes for javadoc errors

Change-Id: Idb4f08df4e2c794528b1f359f3fef6c4850eabc8

@@ -26,6 +26,7 @@ public interface AsyncAtomicCounterMap<K> {
      * Increments by one the value currently associated with key, and returns the new value.
      *
      * @param key key with which the specified value is to be associated
+     * @return incremented value
      */
     CompletableFuture<Long> incrementAndGet(K key);
 

@@ -24,6 +24,7 @@ public interface AtomicCounterMap<K> {
      * Increments by one the value currently associated with key, and returns the new value.
      *
      * @param key key with which the specified value is to be associated
+     * @return incremented value
      */
     long incrementAndGet(K key);
 

@@ -42,6 +42,7 @@ public class ChartModel {
     /**
      * Constructs a chart model with initialized series set.
      *
+     * @param size datapoints size
      * @param series a set of series
      */
     public ChartModel(int size, String... series) {

@@ -60,6 +60,7 @@ final class ResourceNetworkConfigListener implements NetworkConfigListener {
      *
      * @param adminService {@link ResourceAdminService}
      * @param cfgService {@link NetworkConfigService}
+     * @param mastershipService {@link MastershipService}
      * @param executor Executor to use.
      */
     ResourceNetworkConfigListener(ResourceAdminService adminService, NetworkConfigService cfgService,