Merge pull request #32 from Indiv0/update-travis-ci

Add GLFW 3 as a Travis CI dep
Add Rust-ci to Travis
Merge pull request #33 from Indiv0/add-rust-ci-to-travis

Add Rust-ci to Travis
Temporary fix for rust-ci
Merge pull request #34 from Indiv0/fix-rust-ci

Temporary fix for rust-ci
Update Travis CI