Bug-194: Moved tcpmd5/jni-cfg to tcpmd5/jni

-moved cfg yang model and java files
-preserved minimalistic pom.xml in tcpmd5/jni-cfg

Change-Id: Ifee8463c33376a9da076dcc9297452d506e47897
Signed-off-by: Milos Fabian <milfabia@cisco.com>
Merge "Bug-194: Moved tcpmd5/jni-cfg to tcpmd5/jni"