[ONOS-4438] Add REST API for mastership service

- Correct some typos in mastership codec

Change-Id: If8a0127d8d897d4b87cae71a194dfece6aa14f49
diff --git a/web/api/src/main/java/org/onosproject/rest/resources/CoreWebApplication.java b/web/api/src/main/java/org/onosproject/rest/resources/CoreWebApplication.java
index 237ffb1..2a03671 100644
--- a/web/api/src/main/java/org/onosproject/rest/resources/CoreWebApplication.java
+++ b/web/api/src/main/java/org/onosproject/rest/resources/CoreWebApplication.java
@@ -49,7 +49,8 @@
                 DeviceKeyWebResource.class,
                 RegionsWebResource.class,
                 TenantWebResource.class,
-                VirtualNetworkWebResource.class
+                VirtualNetworkWebResource.class,
+                MastershipWebResource.class
         );
     }
 }