fix issue #189
free buffer
fix issue #190
harbor can post error message back when the destination is not exist
Merge branch 'master' of github.com:czlc/skynet-1 into czlc-master
Merge branch 'czlc-master' into dev
skynet_free(NULL) is ok
merge lua bugfix, read http://www.lua.org/bugs.html
bugfix: break when write all
remove sha1 from lua_mysqlaux, use lua-crypt instead
bugfix: socket open address, and httpd bodylimit
update sproto lib
Merge pull request #195 from cloudwu/dev

release 0.8.1