gitignore windows thumbnails

Move pre-update-cmd to post-update-cmd, solves inconveniences.

Add missing license information in composer.json

The license information was missing from the composer.json file. This information is quite important as it is displayed on Packagist and used by automated tools (like http://insight.sensiolabs.com/ for instance) to check compatibility of your project dependencies.

Update comment for clarity

changed google font url to be protocol relative

changed spaces to tabs