Removed: the version num is not useful anymore
Added: a missing feedback for the vm-status command
Refactored: renamed executehelpers for coherence
Added: comments to the helpers
Added: the coffeelint configuration file.
Fixed: code style errors from coffee lint
Added: check if vagrant is installed.
Fixed: the version is now completely removed
Added: the IRC information section
Merge branch 'master' into fv
Fixed: the development version was incoherent with master and was not working
Merge pull request #4 from jsilvestre/feature_vagrant

Code cleaning and adjustments