consume_poll and no more localhost

git-svn-id: svn://softwarelivre.sapo.pt/broker/trunk@1640 b5e76149-5b1e-0410-8289-f826a2598d57
Merge branch 'github'

git-svn-id: svn://softwarelivre.sapo.pt/broker/trunk@1641 b5e76149-5b1e-0410-8289-f826a2598d57
fix message acknowledge

git-svn-id: svn://softwarelivre.sapo.pt/broker/trunk@1642 b5e76149-5b1e-0410-8289-f826a2598d57