Moving my WordPress to HTTPS for supporting HTTP/2-#1.

Update information      Edit(Nov.2)  Edit2(Nov.6)  Edit3(2017.Jun.206)

   They released Apache 2.4.17 on Oct 13 and Steffen released the same version at ApacheLounge on Oct 12. The version has mod_http2 for its core module and Steffen’s version was built with nghttp2 v1.3.4. See ChangeLog. So, I can test HTTP/2 on my server now. Yes! Just test. Because they say “This module is experimental.