Merge pull request Mu2e#71 from rlcee/art_v3_04_00_py3

move to art v3_04_00 and python 3

Merge pull request Mu2e#70 from soleti/livetime_dataproduct

CORSIKA fcl files and small fixes

Merge pull request Mu2e#51 from soleti/livetime_dataproduct

Added CosmicLivetime data product; Clean-up of CORSIKA code

small fixed for new warnings in e19

Merge pull request Mu2e#35 from soleti/master

CORSIKA support and small CRY improvements

Tag for summer 2019 MARS heat and radiation study.

Upgrade to art v3_03_01.

Last commit with art v3_03_00.

Two modules were not upgraded for art v3; must have been new in maste…

…r at the time of the most recent merge.

Switch to art v3.