added first darft of .travis.yml
added first darft of .travis.yml

Change-Id: If3f06eb540dff21c86011f0cf18a090133d5b05e
Signed-off-by: Mateusz Bysiek <77666125932addc6fc525b281b518fd8fd2203d8@mbdev.pl>

mbdevpl/typed-astunparse,mbdevpl/typed-astunparse