bizgres - bizgres: Add commands to administer resource queues

Log Message:
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Add commands to administer resource queues (continued).

...and the new files with the commands implemented!

Added Files:
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bizgres/postgresql/src/backend/commands:
queue.c (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/commands/queue.c?rev=1.1&content-type=text/x-cvsweb-markup)
bizgres/postgresql/src/include/commands:
queue.h (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/commands/queue.h?rev=1.1&content-type=text/x-cvsweb-markup)