Updated .gitignore
Removed unnecessary vendor prefixes (see autoprefixer)
Added build script
Updated README.md with installation instructions
Moved csslint task in the build task
Updated README.md with test task instructions
Added a line feed at the bottom of the file
Updated README
Fixed undefined 'csslint' task in 'watch' task
Added explanations on how to launch Gulp tasks
Translated the README file
Fixed some typos
Added .travis.yml
install script for jenkins