Remove attic and readme documentation for it.

Closes #215
Update git ignore to prevent checkins of build and deploy output
More attic documentation
Formatting the credits
only format if a tag comes back when peeking
Merge pull request #217 from eleith/patch-html5-a-block-optional

beautify-html: respect unformatted option when peeking to support A html5 block level
Merge branch 'master' of github.com:einars/js-beautify into gh-pages