bizgres - bizgres: Allow set role to change the resource queue to that

Log Message:
-----------
Allow set role to change the resource queue to that of the new role.
Statements opened or executing under the old queue continue to operate as if the
role change did not happen.

Modified Files:
--------------
bizgres/postgresql/src/backend/utils/init:
miscinit.c (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/utils/init/miscinit.c.diff?r1=1.2&r2=1.3)
bizgres/postgresql/src/backend/utils/resscheduler:
resscheduler.c (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/utils/resscheduler/resscheduler.c.diff?r1=1.4&r2=1.5)