Include standard_conforming_strings in the initial status dialog or else psql is confused.
Handle it via the special condition, rather than as a config option, since it isn't changeable.
merge MMcM: Include standard_conforming_strings in the initial status dialog

Merge pull request #1215 from MMcM/sql-layer/pg-initial-standard-conforming-strings
https://github.com/FoundationDB/sql-layer/pull/1215