add the missing semicolon
upgrade co@4
update delegates and supertest
added: ctx.state as the recommended namespace for passing information through middleware and routes.
Merge pull request #366 from MatthewMueller/master

add: ctx.locals as a recommended namespace for passing information to the frontend
set content-type for redirect when accpect plain
remove unnecessary "require('http')"
Merge pull request #371 from zensh/master

remove unnecessary "require('http')"
move gitter badge
remove x-powered-by. Closes #372
add screencast link

we probably should not get too crazy with links here, and maintain them in the Wiki,
but this one is really well done!
Update response.md
recommend to use 0.11.13+