Begin image testing.
Add styles for interactive image and caption.
Use a more descriptive class name.
Add documentation for file usage.
Add structure and consistency to color variables.

Update to new color palette.
New line for diffs
Use new color variable name.
Image style
Image test with various image types and presentations.
Merge branch '4.0' of github.com:unl/wdntemplates into image
Merge branch '4.0' of github.com:unl/wdntemplates into image

Conflicts:
	debug.shtml
Image caption updates

* Provide default styling for legacy .frame and new .wdn-frame classes.
* Make the .wdn-caption-animate an extension class
* Shrink font-size of caption
* Remove children margins for consistency
* No longer supporting .caption, since we now have proper markup for image/caption combos with `<figure>`
Merge pull request #524 from smeranda/image

Create an image option