Added committers and a java compiler target to mesos.pom.in.
Added committers and a java compiler target to mesos.pom.in.

Review: https://reviews.apache.org/r/12087

reneploetz/mesos,zmalik/mesos,dforsyth/mesos,Gilbert88/mesos,chhsia0/mesos,jpeach/mesos,chhsia0/mesos,kaysoky/mesos,Gilbert88/mesos,yuquanshan/customizedMesos,Gilbert88/mesos,gsantovena/mesos,kaysoky/mesos,Gilbert88/mesos,abudnik/mesos,yuquanshan/customizedMesos,craimbert/mesos,gsantovena/mesos,asamerh4/mesos,asamerh4/mesos,reneploetz/mesos,andschwa/mesos,abudnik/mesos,verizonlabs/mesos,chhsia0/mesos,kaysoky/mesos,reneploetz/mesos,gsantovena/mesos,gsantovena/mesos,abudnik/mesos,asamerh4/mesos,Aman-Jain-14/customizedMesos,abudnik/mesos,verizonlabs/mesos,zmalik/mesos,zmalik/mesos,jpeach/mesos,jpeach/mesos,dforsyth/mesos,chhsia0/mesos,zmalik/mesos,verizonlabs/mesos,zmalik/mesos,yuquanshan/customizedMesos,Aman-Jain-14/customizedMesos,andschwa/mesos,neilconway/mesos,yuquanshan/customizedMesos,abudnik/mesos,Gilbert88/mesos,asamerh4/mesos,craimbert/mesos,yuquanshan/customizedMesos,reneploetz/mesos,neilconway/mesos,zmalik/mesos,craimbert/mesos,verizonlabs/mesos,gsantovena/mesos,kaysoky/mesos,kaysoky/mesos,yuquanshan/customizedMesos,abudnik/mesos,asamerh4/mesos,Aman-Jain-14/customizedMesos,abudnik/mesos,chhsia0/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,gsantovena/mesos,jpeach/mesos,jpeach/mesos,kaysoky/mesos,Aman-Jain-14/customizedMesos,dforsyth/mesos,andschwa/mesos,verizonlabs/mesos,Gilbert88/mesos,andschwa/mesos,verizonlabs/mesos,chhsia0/mesos,Gilbert88/mesos,reneploetz/mesos,gsantovena/mesos,andschwa/mesos,neilconway/mesos,Aman-Jain-14/customizedMesos,verizonlabs/mesos,neilconway/mesos,jpeach/mesos,reneploetz/mesos,neilconway/mesos,dforsyth/mesos,jpeach/mesos,craimbert/mesos,chhsia0/mesos,dforsyth/mesos,neilconway/mesos,zmalik/mesos,craimbert/mesos,neilconway/mesos,andschwa/mesos,craimbert/mesos,asamerh4/mesos,Aman-Jain-14/customizedMesos,asamerh4/mesos,craimbert/mesos,dforsyth/mesos,andschwa/mesos,kaysoky/mesos,reneploetz/mesos,dforsyth/mesos