Add EXPM package definitions
App version should be 0.9.1

App version should be 0.9.1. Else, rebar fails:

{version_mismatch,{"/Users/dmitrii.dimandt/Projects/solo/como/deps/poolboy/src/poolboy.app.src",
                   {expected,"0.9.1"},
                   {has,"0.8.1"}}}.
Merge pull request #19 from dmitriid/patch-1

App version should be 0.9.1
Change gen_fsm to gen_server behaviour
Fix wrong status
Merge pull request #20 from ddosia/dch-gen_server

Change gen_fsm to gen_server behaviour
Merge remote-tracking branch 'mainstream/master'

Conflicts:
	src/poolboy.erl