Altered do_p1transform.sh and ps_analyze.sh to use a flag, DO_CANARIES to turn...

Altered do_p1transform.sh and ps_analyze.sh to use a flag, DO_CANARIES to turn canaries on or off for PN. Set to 0 to turn of, non-zero to turn canaries on. By default DO_CANARIES=1. DO_CANARIES can be found in ps_analyze.sh.

Another update to security_transforms (PNMain and PNTransformDriver) to complete this update. To come next. 
 


Former-commit-id: 30b3eeacb768bf943b1e17d75af84448c626a187