Moved CSS declarations into separate LESS file. Filter will now be
rebuild, too.

Fixed #82. Added beta js and demo html. The "new" multiselect will be more structured but hopefully offering the same possibilities with better performance.

Fixed #82. Added bet js and demo page. The "new" multiselect will be more structured but hopefully offering the same possiblities with better performance.

Added google code prettify and an example for disabled state.