Remove unused source file
examples: remove invalid cors example

Not only is the example not even standards-compliant, but it
encourages bad security settings and practices.
deps: connect@2.27.3
deps: should@~4.2.1
3.18.3
Merge tag '3.18.3'
deps: accepts@~1.1.3
deps: type-is@~1.5.3
Correctly invoke async router callback asynchronously
examples: add multi router example

closes #2434
4.10.2
deps: connect@2.27.4
deps: etag@~1.5.1
deps: supertest@~0.15.0
deps: proxy-addr@~1.0.4
deps: should@~4.3.0
3.18.4
Merge tag '3.18.4'
deps: qs@2.3.3
deps: update example dependencies