implemented directory handling
implemented git checkout
merged repo into system/packager
fix bundler stub
updated sample manifest
added centos vm
updated gemspec
fleshed out yum repo support
added tilt gem; pin mixlib-shellout
basic var and template support; basic npm support
better npm package installation
added service methods
meteor installer
split EPEL into plugin module
use the url directly, instead of wget first
use mirror redirect urls
added mongodb repo
better git detection