Add FAQ page
Translate Implementation Questions section
Translate another 3 items

* Why just one TCP connection?
* What's the benefit of Server Push?
* Why do we need header compression?
Fix some text
Translate another 2 items

* Why is HTTP/2 binary?
* Why is HTTP/2 multiplexed?
Fix translation for "we"
Merge pull request #9 from flano-yuki/http2-faq

Fix some text
Translate Deployment Questions section
Translate another 2 items

* What about non-browser users of HTTP?
* Does HTTP/2 require encryption?
Translate another 2 items

* Why HPACK?
* Can HTTP/2 make cookies (or other headers) better?
Translate last 4 items

* What does HTTP/2 do to improve security?
* Can I use HTTP/2 now?
* Will HTTP/2 replace HTTP/1.x?
* Will there be a HTTP/3?
Translate introduction
Change viewport meta info
Fix translation of "see"
Fix introduction
Fix style for <pre>
Unified format
Merge pull request #10 from http2jp/http2-faq

Translating HTTP/2 FAQ into Japanese #8