Jump to end of animation in remove()

This ensures that the callbacks provided to fadeTo() in close() are
still run, so event listeners are unbound correctly.
Merge pull request #615 from lsimoneau/callback-fix

Jump to end of animation in remove()
Update jquery.colorbox.js
Merge pull request #619 from xbtsw/master

Fixing a hardcoded colorbox value
removed hardcoded plugin name. fixes #620.
v1.5.10 - Minor misc. tweaks (merging pull requests #611, #612, #615, #619, #620).