pgsql: In the docs, better distinguish server from client SSL settings

In the docs, better distinguish server from client SSL settings in the documentation.

Ray Stell

Also fix some libpq title capitalization problems.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=74bcdfbe2dd656f04db4e883b5bdcdafddebff08

Modified Files
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doc/src/sgml/libpq.sgml | 14 +++++++-------
doc/src/sgml/runtime.sgml | 8 ++++----
2 files changed, 11 insertions(+), 11 deletions(-)