Merge pull request #22 from unrolled/master

Added link to unrolled/render package
Add phyber's GZIP middleware
Add negroni-gorelic middleware

See https://github.com/yvasiyarov/gorelic & https://github.com/jingweno/negroni-gorelic
Merge pull request #24 from jingweno/patch-1

Add negroni-gorelic middleware
README: fix merge conflict
Merge pull request #23 from mdlayher/patch-1

Add phyber's gzip middleware
Messing with variadic handlers
Merge branch 'JMS-VarArgs'
Update README.md
Fixed typo: ole instead of old
Merge pull request #28 from nodirt/patch-1

Fixed typo: ole instead of old
Change middleware receiver variable from h to m
Merge pull request #29 from djbk/master

Change middleware receiver variable from h to m
Change logger to use embedded field
Change comment for the new embedded field in logger
Merge pull request #32 from djbk/cleanup

Change negroni.Logger to inherit from log.Logger (IS-A)
Use new SVG GoDoc badge
Merge pull request #33 from mdlayher/patch-1

Use new SVG GoDoc badge
Update README.md
oAuth2 middleware library

port of martini-contrib/oauth2