use root v5_34_18d and messagefacility v1_11_11
helper tool to create local branch tags for the art suite based on an art release tag
Reorder input / output file close in state machine.
Optional delayed-read of SubRun and Run products.
Merge branch 'feature/Issue6643-DelayedReadSubRunRun' into develop
Fix for issue #6527.

Put implementation into DataViewImpl and Principal instead of Event, EventPrincipal, etc.
Standalone test for removeCachedProduct.
Issue #2976.
add art_Persistency_Common_dict to the art_dictionary link list so checkClassVersion will find art::DoNotRecordParents
use cetbuildtools v4_00_00
Improve error handling for SQLite.
Cleanup and safety.
Adjust to ParameterSetRegistry improvements.
For cetbuildtools 4.00.01.
Update to e6 and new cetbuildtools.
Checksum updates due to ROOT upgrade.
Remove unused anonymous namespace function.
Add missing iostream headers previously imported by accident.
Cope with C++11 interface for vector's ranged insert.
Merge branch 'feature/e6AndNewExternals' into develop
Update to CLHEP 2.2.0.3.