Gut the Quote class down to just the tiny bit that REST needs.
Remove some incidental uses.
From ServerType.
ValueSources.toObject.
Postgres JSON compiling.
Unused exception.
JDBC ResultSet MetaData.
From the optimizer's logical plans.
TypesTranslation.
Unused imports.
HKey.
Revealed missing case.
merge MMcM: Get rid of almost all uses of AkType

Merge pull request #1094 from MMcM/sql-layer/less-aktype
https://github.com/FoundationDB/sql-layer/pull/1094