Creating onos-1.4 support branch

- Starting snapshot 1.4.1-SNAPSHOT
- Updating .gitreview
- Updating Dockerfile

Change-Id: I4f0dafe89e77831b34107f472647424664206195
diff --git a/incubator/rpc/pom.xml b/incubator/rpc/pom.xml
index a9c2072..8aefcbe 100644
--- a/incubator/rpc/pom.xml
+++ b/incubator/rpc/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>onos-incubator</artifactId>
         <groupId>org.onosproject</groupId>
-        <version>1.4.0</version>
+        <version>1.4.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>onos-incubator-rpc</artifactId>