429642: [Model / CSS] Add properties view to define Model's stylesheets
https://bugs.eclipse.org/bugs/show_bug.cgi?id=429642

Signed-off-by: Mickael ADAM <mickael.adam@ALL4TEC.net>
429642: [Model / CSS] Add properties view to define Model's stylesheets
https://bugs.eclipse.org/bugs/show_bug.cgi?id=429642

Signed-off-by: Mickael ADAM <mickael.adam@ALL4TEC.net>