1.0.0 -> 1.0.1

0.11.11 -> 1.0.0

Merge pull request sogou#1774 from Barenboim/master

Add task 'const' interfaces.

0.11.9 -> 0.11.10

Remove LICENSEs in tutorials.

Update version to 0.11.8

Make it compatible with OpenSSL 1.0. (sogou#1700)

Fix compiling error when message doesn't have a move constructor. (so…

…gou#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.