UP-4337: Updating less files for dynamic skin fixes
UP-4337: Changed functionality of Dynamic Respondr Skin portlet (added specific elements to style with color)

Conflicts:
	uportal-war/src/main/webapp/media/skins/respondr/common/less/footer.less
UP-4337: A few modest cleanup items from feedback on the pull request -- remove generated .css files that were added by mistake;  make the label for portlet border color less confusing;  darken the default link color a bit (to what it was previously) to make it less pale (new dfault was too pale)