Fixed bug where setting opacity to 0 was ignored. Fixes #628.
Allowed setting the overlay opacity via CSS, by setting Colorbox's opacity property to false.  References #628.
added missing semicolon
Merge pull request #629 from craue/patch-1

add missing semicolon
Fixed regression introduced with v1.5.12 with legacy versions of jQuery (1.3x-1.6x).  References #628.
Prevent: Error: Uncaught TypeError

Prevent: Error: Uncaught TypeError: object is not a function
Merge pull request #630 from dismorfo/master

Prevent: Error: Uncaught TypeError