Merge pull request #32 from yvasiyarov/develop

Add Vendor and Author .nut.json, use them in `nut generate`.

https://twitter.com/paaleksey/status/329179586581635073/photo/1
Final tweaks for `nut generate`. Closes #31.
Add link to FAQ entry about license. Closes #29.
Allow license file names like "MIT-license.txt".