Handle AIProxy entirely through scripts.
Support structured clones of script values.
Improve performance.
Support multiple script contexts sharing a runtime.
Use a separate context per AI player.
This was SVN commit r8866.
Support direct access to serializer streams, so serializers can be
nested.
Make component script "this.template" read-only.
Stop globally-subscribed component scripts receiving messages posted to
local components, to reduce out-of-sync risks.
Move pathfinder data out of entity template directory.
Fix GuiInterface deserialization.
This was SVN commit r8865.