pgsql: Cleanup the bootstrap code a little, and rename "dummy procs" in

Log Message:
-----------
Cleanup the bootstrap code a little, and rename "dummy procs" in the code
comments and variables to "auxiliary proc", per Heikki's request.

Modified Files:
--------------
pgsql/src/backend/bootstrap:
bootparse.y (r1.86 -> r1.87)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/bootstrap/bootparse.y.diff?r1=1.86&r2=1.87)
bootstrap.c (r1.232 -> r1.233)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/bootstrap/bootstrap.c.diff?r1=1.232&r2=1.233)
pgsql/src/backend/main:
main.c (r1.107 -> r1.108)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/main/main.c.diff?r1=1.107&r2=1.108)
pgsql/src/backend/postmaster:
autovacuum.c (r1.32 -> r1.33)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/autovacuum.c.diff?r1=1.32&r2=1.33)
postmaster.c (r1.525 -> r1.526)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/postmaster.c.diff?r1=1.525&r2=1.526)
pgsql/src/backend/storage/lmgr:
proc.c (r1.185 -> r1.186)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/lmgr/proc.c.diff?r1=1.185&r2=1.186)
pgsql/src/include/bootstrap:
bootstrap.h (r1.45 -> r1.46)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/bootstrap/bootstrap.h.diff?r1=1.45&r2=1.46)
pgsql/src/include/storage:
proc.h (r1.95 -> r1.96)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/proc.h.diff?r1=1.95&r2=1.96)
pgsql/src/include/tcop:
tcopprot.h (r1.87 -> r1.88)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/tcop/tcopprot.h.diff?r1=1.87&r2=1.88)