net.server_select: Move socket timeout cleanup code out of a timer, into the select loop (which makes util.timer the only timer using server_select._addtimer).
For full information on our dependencies, version requirements, and
where to find them, see http://prosody.im/doc/depends
If you have luarocks available on your platform, install the following:
- luaexpat
- luasocket
- luafilesystem
- luasec