Added postgres to the list of known users and groups
Merge pull request #27 from PierreR/master

small bits: #25 + increase upperbound for scientific
Merge branch 'master' of ssh://github.com/bartavelle/language-puppet
Bump minimum version of pcre-utils to fix \0 bug
Use getEffectiveUserName instead of getLoginName
Overhauled the dependency system
Don't compute statistics when no nodes where computed
Add define relationships to the global pool before ditching the defined resource.
Implement pick function #32