Add buttons to download and zoom-in/zoom-out image.

[Tatarnikoff]

[rgloginja]

Also would like to see this implemented - more so the download button.

[lokesh]

Closing out old issues.

If you still need help, please post your question on Stackoverflow. See more details here: http://lokeshdhakar.com/projects/lightbox2/#help

Using Github Issues for bugs only now. Thanks.