[VOL-5049] - Build and deploy mac-learner

pom.xml
app/pom.xml
api/pom.xml
-----------
  o Upgrade maven plugins to latest version.
  o Upgrade components to the latest published version.
  o Restore *-SNAPSHOT version so v1.2.2 can be published by jenkins.

Change-Id: I6e9ea0b878dea5d9dbf511bc16310920c51b77b8
diff --git a/api/pom.xml b/api/pom.xml
index 1151563..23d013d 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>maclearner</artifactId>
         <groupId>org.opencord</groupId>
-        <version>1.2.1</version>
+        <version>1.2.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>