Merge pull request #16 from dlrobertson/fixes_and_nits

platform/src/lib.rs

platform/src/linux/mod.rs

platform/src/redox/mod.rs

rustfmt.toml

src/ctype/build.rs

src/fcntl/build.rs

src/fcntl/src/lib.rs

src/fcntl/src/linux.rs

src/fcntl/src/redox.rs

src/grp/build.rs

src/mman/build.rs

src/mman/src/lib.rs

src/semaphore/build.rs

src/semaphore/src/lib.rs

src/stdio/build.rs

src/stdio/src/lib.rs

src/stdio/src/printf.rs

src/stdlib/build.rs

src/stdlib/src/lib.rs

src/string/build.rs