Make embedded JDBC inherit config properties for fdbsql.sql.* and fdbsql.embedded_jdbc.* in the same way that Postgres does.
merge MMcM: Make embedded JDBC inherit config properties for fdbsql.sql.* and fdbsql.embedded_jdbc.*

Merge pull request #1594 from MMcM/sql-layer/embedded-jdbc-default-properties
https://github.com/FoundationDB/sql-layer/pull/1594