pgsql: Update entry: < * Have EXPLAIN ANALYZE highlight poor optimizer

Log Message:
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Update entry:

< * Have EXPLAIN ANALYZE highlight poor optimizer estimates
> * Have EXPLAIN ANALYZE issue NOTICE messages when the estimated and
>   actual row counts differ by a specified percentage

Modified Files:
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    pgsql/doc:
        TODO (r1.2013 -> r1.2014)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.2013&r2=1.2014)
    pgsql/doc/src/FAQ:
        TODO.html (r1.515 -> r1.516)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.515&r2=1.516)