Duplicate colors, fonts, and images now being ignored.
Brought in a little Lo-Dash to help with async issues.
Loading message now displays while server-side work is being done. Minor refactoring and CSS work.
Now attempts to identify all CSS URLs in html doccument.
mineCSS now being passed array of CSS URLs.  Added way to delete saved files after analysis.
:now analyzing all css files contailed in HTML and deleting all files when complete.