Thread: pgsql: Doc: write some for adminpack.

Doc: write some for adminpack.

Previous contents of adminpack.sgml were rather far short of project norms.
Not to mention being outright wrong about the signature of pg_file_read().

Branch
------
REL9_4_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/042b6beeeb17ec34ea0764921574f2d8a2761472

Modified Files
--------------
doc/src/sgml/adminpack.sgml | 158 +++++++++++++++++++++++++++++++++++++++-----
1 file changed, 140 insertions(+), 18 deletions(-)