Adding MarkDown docs/ directory for XML Graphics Batik

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/batik/trunk@1493459 13f79535-47bb-0310-9956-ffa450edef68
A bit of Pokémon exception handling to save the day in AWTCVTGlyphVector.
Added .gitignore.
Some more exception handling and corner case management.
Another bit of Pokémon exceptions.