mod_saslauth, mod_compression: Fix some cases where open_stream() was not being passed to/from (see df3c78221f26 and issue #338)
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