Changed travis build to use the Rust language
Changes location to retrieve rlibc from
Merge pull request #230 from bharrisau/travis3

Changed travis build to use the Rust language
Use a different rlibc repo

The rust-lang repo doesn't include crate_name or crate_type.
Merge pull request #232 from bharrisau/travis4

Use a different rlibc repo
Modifications to correct Travis build

Why was relocation-model set to static for the native tests?
Merge pull request #233 from bharrisau/travis5

Modifications to correct Travis build
Remove macro_ioreg crate
Merge pull request #226 from bharrisau/ioregex

Remove macro_ioreg crate