Merge pull request #906 from wpreul/master

Proxy requests are closed when server response already sent
Update Reference.md
Merge pull request #907 from wpreul/master

Adding test
Allow custom HEAD routes
Merge branch 'master' of github.com:spumko/hapi
Change Types to types in examples/validation.js
Merge pull request #909 from paullang/master

Change Types to types in examples/validation.js
Closes #910
Merge branch 'master' of github.com:spumko/hapi
Closes #911
Fixing aborted causing duplicate res.ends issue with incoming request