Fix the handling of static_url-s containing a query string or a hash. Such a case occurs for example when using web fonts in constructs like:
src: static_url('webfonts/my-webfont.eot?#iefix') format('embedded-opentype'),
static_url('webfonts/my-webfont.svg#bold') format('svg');
Merge branch 'mirion_dev/static_url_hash' into mirion_dev/mirion