Issue #31: cozy-dev dev:init fails to add the box properly
Issue #31: fix Coffee keyword "is not" => "isnt" in vagrant.coffee
Fix indentation and add a blank line (related to issue #31)
Add requirements in README.md (related to issue #31)
Merge pull request #32 from fflorent/issue31

PR for issue #31: cozy-dev dev:init fails to add the box properly