allow newer versions of build-essential & postfresql cookbook to co-exist with sphinx
re-lock postgresql at 1.0.0 to show tests working, fix build-essential issue with versions >= 1.4.0 (missing platform in spec)
include lsb codename in fauxhai - newer versions of postgresql require it in the default attributes on debian
Merge pull request #28 from thewebfellas/loose_dependencies

Fix tests for loose dependencies
Merge pull request #26 from jesseadams/loose_dependencies

loose dependencies on other cookbooks