pgsql: Include the first valid listen address in pg_ctl to improve serv

Include the first valid listen address in pg_ctl to improve server start
"wait" detection and add postmaster start time to help determine if the
postmaster is actually using the specified data directory.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=30aeda439456d14e713a5693461bcd62035f1d9d

Modified Files
--------------
doc/src/sgml/storage.sgml | 5 +-
src/backend/port/ipc_test.c | 2 +-
src/backend/port/sysv_shmem.c | 14 ++++-
src/backend/postmaster/postmaster.c | 19 +++++++-
src/backend/utils/init/miscinit.c | 50 +++++++++++---------
src/bin/pg_ctl/pg_ctl.c | 89 +++++++++++++++++++++++------------
src/include/miscadmin.h | 4 +-
7 files changed, 121 insertions(+), 62 deletions(-)