Update docker tagging convention to use:
v0.17.0-SNAPSHOT-YYYYMMDDTHHMMSSZ (for dev images)
v0.17.0-STAGING-YYYYMMDDTHHMMSSZ (for staging images)
Change-Id: I70bf5b2cbb0181790a4dd76647fcf87de3ffe5c3
Issue-ID: CIMAN-132
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
 
   <properties>
         <docker.image.name>onap/cli</docker.image.name>
-        <maven.build.timestamp.format>yyyyMMdd-HHmm</maven.build.timestamp.format>
+        <maven.build.timestamp.format>yyyyMMdd'T'HHmmss'Z'</maven.build.timestamp.format>
         <docker.push.registry></docker.push.registry>
         <skip.docker.build>true</skip.docker.build>
         <skip.docker.tag>true</skip.docker.tag>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <package.name>cli</package.name>
-        <maven.build.timestamp.format>yyyy-MM-dd HH:mm z</maven.build.timestamp.format>
+        <maven.build.timestamp.format>yyyyMMdd'T'HHmmss'Z'</maven.build.timestamp.format>
     </properties>
 
   <modules>