Beginning concepts for article on JavaScript freedom

I am currently working with RMS on a release announcement that touches on this
topic, but felt that a permenant article on the actual project would serve an
even greater purpose of attrating additional free software supporters.

This is by no means meant to replace RMS' ``The JavaScript Trap'' article; it
merely expands upon it.
Added Free JS essay

This essay will be released with the GNU ease.js 0.2.0 release announcement.

The "Another GNU Hacker Typist" image is linked to externally because this
website is hosted on the GNU domain.
Increased saturation of visited link color

Better contrast with white background; easier on the eyes. Saturation
increased by 20 (from the original Tango value).
Added some links to free js essay
Added return link to free js essay
Merge branch 'whyfreejs' into website