v8.72 added CLOG(LEVEL, loggerId) - see change log
Added next-release folder for on-going work for next release
moved next-release to root dir
added subfolders READMEs
changed header
NullWriter to inline left-shift op
added forceCreation_ param when getting logger to allow fast logger access when write log
reset mutex lock
smartPointer_ to scopedPointer_
v8.75 added Loggers::setDefaultConfigurations
next release reset for v8.76-RC-1
updated README
updated README