Add tools and ZURB Foundation

- BowerJS as assets manager
- GulpJS as tasks runner
- Updated default hello page to foundation's default
Add instructions on how to get started

- Laravel's readme has been renamed.
Merge remote-tracking branch 'foundation/master'
Add watch task

gulp-plumber has been added as well to catch errors and prevent watch
from crashing whenever there are errors.
Merge remote-tracking branch 'foundation/master'