Fixed mesos.pom to work from inside the build directory.
Fixed mesos.pom to work from inside the build directory.

Review: https://reviews.apache.org/r/14706

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