Issue #1955982 by hswong3i: Patch by hswong3i. Fix version reg ex after ColorBox plugin has been renamed to Colorbox. Also Changed the name in other places.

Issue #1925056 by collier.matthew: Updated the built in styles from the example styles to remove borders from buttans. Also added CSS to hide outlines on the Colorbox.

Fix so animation in the plain style do not queue, CSS rounded corners on cboxContent to avoid flashing scuare corners on loading/next/prev.