oxygengine 0.12.1

Oxygen Engine
Documentation 
language: rust
cache: cargo
matrix:
  fast_finish: true
os:
  - windows
  - linux
  - osx
script:
  - cargo test --verbose --all
before_install:
  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get install -y libasound2-dev ; sudo apt-get install -y libwebkit2gtk-4.0 ; fi