[#53155809] Support opening of EnergyPlus 6 sql files

 - notify the user that an unsupported version is being loaded and
   errors may occur
Merge remote-tracking branch 'origin/develop' into 53155809-SupportEnergyPlus6Sql
Merge pull request #730 from NREL/53155809-SupportEnergyPlus6Sql

53155809 support energy plus6 sql