Update docker tagging convention to use:
$VERSION-SNAPSHOT-YYYYMMDDTHHMMSSZ (for dev images)
$VERSION-STAGING-YYYYMMDDTHHMMSSZ (for staging images)
Change-Id: I015a2bfb19cb4370da8fde1fdb0bec9bf9238dce
Issue-ID: CIMAN-132
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
         <spring.test.version>4.3.6.RELEASE</spring.test.version>
 
         <!-- This will be used for the docker images as the default format of maven build has issues -->
-        <maven.build.timestamp.format>yyyyMMdd'T'HHmmss</maven.build.timestamp.format>
+        <maven.build.timestamp.format>yyyyMMdd'T'HHmmss'Z'</maven.build.timestamp.format>
 
         <antlr4.visitor>true</antlr4.visitor>
         <antlr4.listener>true</antlr4.listener>