added a getSymbol() method to Symbol for the raw symbol string
changed to use uppercase symbols as the canonical case for consistency with Symbol
ensured casing and brace-wrapping are still handled correctly
added an ignore line for HTML proof docs
added the plugin reference for ant so that the groovy stuff will build
created a simple 'utils' module that currently just has XmlUtils to read/write SVGDocument instances
created an 'icons' module that replaced the "generate a pile of SVGs to disk" script that existed before