Enable "required plugins" from TMJ

[scarstens]

Before we can remove functionality, we need to build a required plugin function that "highly suggests" adding the WLFW plugin. This will give the "option" to add a bunch of features but not force them in the theme download.

[scarstens]

http://thomasgriffinmedia.com/blog/2011/09/automatically-install-plugins-with-themes-for-wordpress/

http://tgmpluginactivation.com/