COMP: Do not require picins.sty.

It is not distributed in texlive, and it is not available under a non-free
license [1].  It does not appear to be critical, adding "float text round an
insertion in the paragraph" [2]. The desired behave can be achieved by
replacing \fbox with \mbox [3].

[1] http://www.tug.org/pipermail/tex-live/2005-October/009311.html

[2] http://www.ctan.org/tex-archive/macros/latex209/contrib/picins

[3] http://tex.stackexchange.com/questions/43861/replacement-for-picins-for-wrapping-text-around-some-construct-within-multicols
DOC: Update the directory for Style.pdf.

The default Git clone directory is now ITK.
DOC: Remove the Software Requirements section.

It is out of date.  The testing system needs to be updated.