"extern mod" became "extern crate"
ptr::to_unsafe_ptr() is gone
Allow non-camelcase types
transmute() is not required any more
ToStr -> Show
libextra is not needed
Socket_ is private, but exported in PollItem, and this is actually fine.
debug! now requires the log crate
vec -> slice
Use the new inner attribute syntax
Remove unnecessary `priv` visibility
libc is now in its own crate
Errno stuff is now in libc::consts::os::posix88
slice::with_capacity() is no more.
~"" is gone
`&mut core::fmt::FormatWriter` does not implement any method in named `write_fmt`
~str is dead
StrBuf -> String
to_owned() -> to_string()
Merge remote-tracking branch 'remotes/jedisct1/master'

Conflicts:
	src/examples/msgsend/main.rs
	src/examples/zguide/weather-server/main.rs
	src/zmq/lib.rs