docs: cleanup readme, update package description

closes #2210
4.5.0
tests: add more app.use tests
Fix routing regression when altering req.method
4.5.1
tests: add mounting to strict routing test
tests: add missing FQDN router URL tests
docs: fix nodejs.org link

closes #2222
deps: connect@2.23.0
deps: istanbul@0.3.0
deps: debug@1.0.3
deps: parseurl@~1.1.3
deps: methods@1.1.0
deps: basic-auth@1.0.0
Fix res.send(status, num) to send num as json

fixes #2226
Deprecate res.redirect(url, status)
Add explicit "Rosetta Flash JSONP abuse" protection
Remove unnecessary escaping in res.jsonp
tests: add test for error handler in route

closes #2228
3.14.0