Add Travis CI configuration file
Add Travis CI configuration file

Generates the Hexo site. Build information is available in
https://travis-ci.org/ahaasler/hexo-theme-colos-demo.

ahaasler/hexo-theme-colos-multilingual-demo,ahaasler/hexo-theme-colos-demo,ahaasler/hexo-theme-colos-multilingual-demo