Inkscape compatibility

```
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
