Auto merge of #1107 - ignatenkobrain:patch-1, r=alexcrichton
Auto merge of #1107 - ignatenkobrain:patch-1, r=alexcrichton

exclude CI files from crates.io

rust-lang-nursery/libc,rust-lang/libc,rust-lang/libc,rust-lang-nursery/libc,rust-lang/libc,rust-lang-nursery/libc