Tweak ApelMysqlDb for normalised summaries
Tweak ApelMysqlDb for normalised summaries

- Change MYSQL_TABLES to use view for NormalisedSummaries, rather than
  parent table, in the same way that Summaries does.

tofu-rocketry/apel,stfc/apel,tofu-rocketry/apel,apel/apel,stfc/apel,apel/apel