More incarnator work.

Hectors now spawn at the correct heading. I also changed the name of the XML attribute from `angle` to `heading` to be more descriptive.
Finished up Phosphorus, fixed incarns in Bwadi.
Minor updates to geom.py
Merge https://github.com/avaraline/pavara
working on using far less geoms. ramps don't work, neither do ypr on anything.