expose all levels of logging
bug in exposed rootLogger event methods, required binding
allow for stripping of collors from formatted message
add docs on getSingleton
Merge branch 'use-eventEmitter-and-option-to-mute-console'

* use-eventEmitter-and-option-to-mute-console:
  add docs on getSingleton
  allow for stripping of collors from formatted message
  bug in exposed rootLogger event methods, required binding
  expose all levels of logging