parameterized -Xmx request with ENV doesn't work.  
parameterized -Xmx request with ENV doesn't work.  

using ENV to set a default value for -Xmx and then using ENTRYPOINT ["sh","-c","java -Xmx${VARIABLE} /abra2.jar"] doesn't allow passing parameters to ABRA.  

Also, added symbolic link to /abra2.jar so simplify things for futureproofing.
mozack/abra2,mozack/abra2,mozack/abra2,mozack/abra2