Disable use of psyco by default in the spitfire compiler.
Disable use of psyco by default in the spitfire compiler.

[git-p4: change = 17334337]

youtube/spitfire,youtube/spitfire,nicksay/spitfire,nicksay/spitfire,spt/spitfire,spt/spitfire,spt/spitfire,youtube/spitfire,nicksay/spitfire,nicksay/spitfire,youtube/spitfire,spt/spitfire