added XKCD test image. Use this to include images:
-rw-r--r-- 106 .gitignore
-rw-r--r-- 1238 GITOLITE.txt
drwxr-xr-x - articles
-rw-r--r-- 6066 basics.tex
-rwxr-xr-x 355 build-web.sh
-rwxr-xr-x 67 build.sh
drwxr-xr-x - fillers
-rwxr-xr-x 743 gitinfohook.sh
drwxr-xr-x - images
-rw-r--r-- 150 out.tex
drwxr-xr-x - templates