Update README.md

Fixed code blocks in md
prepared for v0.0.3
Merge branch 'master' of github.com:zahid/invent
Update README.md
Update README.md

Spelling
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too many line breaks
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gratipay icon
variablized values in vagrantfile and removed specifics for chef.json
added npm-debug.log to gitignore
upgraded to commander v2.4.0
Merge branch 'master' of github.com:zahid/invent
added --no-color option
some cleanup
added basic travis ci config.
moved .travis.yml to proper directory.
Update README.md

added supercool travisci badge
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Add languages to code blocks
Merge pull request #5 from schlueter/master

Update README.
Update .travis.yml

four space tabs