Issue tigertext/xmpp#1271: Adding a ghost worker when rebuilding the pool info
Revert "Modified rebar.config to pull lager 2.0.0rc1."

This reverts commit 0ae78d354b03b19d1e8459eb73fcd71ddbc69792.
Merge pull request #8 from inaka/elbrujohalcon.size.fix

Issue tigertext/xmpp#1271: Adding a ghost worker when rebuilding the pool info