0.11.9 -> 0.11.10

Remove LICENSEs in tutorials.

Update version to 0.11.8

Make it compatible with OpenSSL 1.0. (#1700)

Fix compiling error when message doesn't have a move constructor. (#1678

)

* Fix compiling error when message doesn't have a move constructor.

* Clear response safely.

Update about-conditional.md

Fix 'sendto()' failure on a connected UDP socket.

HttpTask support auth when has userinfo (Windows) (#1566)

* HttpTask support auth when has userinfo

* remove one StringUtil::url_decode as requested in #1554

Fix URI parsed failed bug. (#1561)

Update xmake version