snapshot - root: Updating to reflect the recent support of ON PREBUILT

Log Message:
-----------
Updating to reflect the recent support of ON PREBUILT TABLE.

Modified Files:
--------------
root:
TODO.txt (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/snapshot/root/TODO.txt.diff?r1=1.2&r2=1.3)
USAGE.txt (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/snapshot/root/USAGE.txt.diff?r1=1.3&r2=1.4)
USO.txt (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/snapshot/root/USO.txt.diff?r1=1.3&r2=1.4)