message: Updated configuration-file to include config-file and config as alternative args
diff: @@ -63,7 +63,7 @@ program
  'Proxy options to pass, for use with manual, pac and socks proxies'
  )
  .option(
  - '--configuration-file [filepath]',
  + '--config, --config-file, --configuration-file [filepath]',
  'Use specified YAML file for configuration. (default: .side.yml)'
  )
  .option(
  @@ -112,14 +112,14 @@ const configuration = {
  path: path.join(__dirname, '../../'),
  }
  -const confPath = program.configurationFile || '.side.yml'
  -const configurationFilePath = path.isAbsolute(confPath)
  +const confPath = program.configFile || '.side.yml'
  +const configFilePath = path.isAbsolute(confPath)
  ? confPath
  : path.join(process.cwd(), confPath)
  try {
  - Object.assign(configuration, Config.load(configurationFilePath))
  + Object.assign(configuration, Config.load(configFilePath))
  } catch (e) {
  - winston.debug('Could not load ' + configurationFilePath)
  + winston.debug('Could not load ' + configFilePath)
  }
  program.filter = program.filter || '*'
  