Inkscape compatibility

[GoogleCodeExporter]

Currently, the SVG produced by pyBlazon is rather messy and difficult to 
work with in post-processing. The SVG should be at least so simple that it 
displays correctly in Inkscape, and that changing the position of charges 
is straightforward.

Original issue reported on code.google.com by a...@nvg.org on 13 Oct 2008 at 8:28