Replace hardcoded image type list with Image\Type::getExtensions
Replace hardcoded image type list with Image\Type::getExtensions

Intendit/bolt,electrolinux/bolt,nikgo/bolt,nikgo/bolt,bolt/bolt,romulo1984/bolt,electrolinux/bolt,bolt/bolt,romulo1984/bolt,GawainLynch/bolt,lenvanessen/bolt,Intendit/bolt,GawainLynch/bolt,electrolinux/bolt,lenvanessen/bolt,lenvanessen/bolt,bolt/bolt,romulo1984/bolt,lenvanessen/bolt,nikgo/bolt,romulo1984/bolt,GawainLynch/bolt,GawainLynch/bolt,nikgo/bolt,Intendit/bolt,bolt/bolt,electrolinux/bolt,Intendit/bolt