message: Reduce log level for misspelt challenge names
diff: @@ -133,7 +133,7 @@ exports.findChallenge = challengeName => {
  }
  }
  }
  - logger.error('Missing challenge with name: ' + challengeName)
  + logger.warn('Missing challenge with name: ' + challengeName)
  }
  exports.toMMMYY = date => {
  