* travis test

* add master branch

* travis fixes

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* add atomic header

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* remove unnecessary change

* remove unnecessary change

* Update .travis.yml