remove charset from json responses. Closes #1631
add req.secure tests
add support for multiple X-Forwarded-Proto values. Closes #1646
return actual booleans from req.accept* functions
move .app to req's & res's prototypes
pin jade dev dep so tests do not break
Merge pull request #1650 from printercu/master

move .app to req's & res's prototypes
Merge github.com:visionmedia/express