jsonTools.py: merge versions
logger.py: merge versions
progressiterator.py: merge versions
tools.py: merge versions
dcache-tools.py: merge versions
qstat-tools.py: merge versions
tBrowser.C/sh: merge versions
compareRootFiles.py: moved to Utilities and implemented usage of the logger
Merge branch 'master' of https://github.com/artus-analysis/Artus