Use 307 response code for redirects on requests other than GET and HE…

[hjames9]

For redirecting http methods other than GET and HEAD, response 307 should be used. This prevents bad behavior in most browsers that respond to a redirect via a 302 with a GET rather than the identical method that was used.

See this discussion for reference: http://softwareengineering.stackexchange.com/questions/99894/why-doesnt-http-have-post-redirect