Creating onos-1.4 support branch

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

Change-Id: I4f0dafe89e77831b34107f472647424664206195
diff --git a/docs/external.xml b/docs/external.xml
index d5145e8..0e44467 100644
--- a/docs/external.xml
+++ b/docs/external.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos</artifactId>
-        <version>1.4.0</version>
+        <version>1.4.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
@@ -53,7 +53,7 @@
                         <sourceFileExclude>**/generated-sources/**</sourceFileExclude>
                     </sourceFileExcludes>
                     <docfilessubdirs>true</docfilessubdirs>
-                    <doctitle>ONOS Java API (1.4.0)</doctitle>
+                    <doctitle>ONOS Java API (1.4.1-SNAPSHOT)</doctitle>
                     <groups>
                         <group>
                             <title>Network Model &amp; Services</title>