Add tests for head request not in cache and vcl_pass configuration
Rewrite headers names, remove cooking filtering
Replace HEAD request, with a specific accept header and content type in response
Merge pull request #62 from joelwurtz/user-context

Add tests for head request, and add cookies on a hit for pass action
Merge remote-tracking branch 'origin/master' into rst-docs

Conflicts:
	doc/varnish-configuration.md