Added HQTFFD image name category tag export

TaskForce and Headquarters SVG folders replaced with a single HQTFFD svg
folder.
Updated svg README and added an image to it.
New svg zip includes combined HQ, TF, and FD graphic elements in
appropriate compound svg files.
Merge pull request #62 from abouffard/master

Added HQTFFD image name category tag export