Set max sizes for ImageInteractive light boxes

[#53567745] This sets the maximum size of the lightbox to 100% of the browser's height and/or width.

https://www.pivotaltracker.com/story/show/53567745
Updating colorbox plugin
Updating jquery.colorbox with minHeight/minWidth

For [#59598520], this lets us do minWidth and minHeight in the color box settings. See https://github.com/pjmorse/colorbox . This doesn't (yet) expand the actual image to fill the space yet, just the modal itself.

https://www.pivotaltracker.com/story/show/59598520
Expand photo to fill color box if minWidth is set

[#59598520] Zooms photos to fill a specified minWidth.

https://www.pivotaltracker.com/story/show/59598520