fixing v2-Issue
add streaming test for easy testing if streaming works
document proper nginx config to get streaming working

[skip ci]
Merge pull request #8 from joker234/v2-patch

fixing v2-Issue
send correct headers with streamed pages to ensure they aren’t cached and actually streamed
always set forwarded protocol, to make configuration harder to break when deploying to SSL
make existing tests more robust, hopefully reduce random failures