Removed hook.io appender, because hook.io does not build on systems without python

lib/appenders/hookio.js

@@ -1,76 +0,0 @@
-"use strict";
-var log4js = require('../log4js')
-, layouts = require('../layouts')
-, Hook = require('hook.io').Hook
-, util = require('util');
-
-var Logger = function createLogger(options) {
-  var self = this;
-  var actualAppender = options.actualAppender;
-  Hook.call(self, options);
-  self.on('hook::ready', function hookReady() {
-    self.on('*::' + options.name + '::log', function log(loggingEvent) {
-      deserializeLoggingEvent(loggingEvent);
-      actualAppender(loggingEvent);
-    });
-  });
-};
-util.inherits(Logger, Hook);
-
-function deserializeLoggingEvent(loggingEvent) {
-  loggingEvent.startTime = new Date(loggingEvent.startTime);
-  loggingEvent.level.toString = function levelToString() {
-    return loggingEvent.level.levelStr;
-  };
-}
-
-function initHook(hookioOptions) {
-  var loggerHook;
-  if (hookioOptions.mode === 'master') {
-    // Start the master hook, handling the actual logging
-    loggerHook = new Logger(hookioOptions);
-  } else {
-    // Start a worker, just emitting events for a master
-    loggerHook = new Hook(hookioOptions);
-  }
-  loggerHook.start();
-  return loggerHook;
-}
-
-function getBufferedHook(hook, eventName) {
-  var hookBuffer = [];
-  var hookReady = false;
-  hook.on('hook::ready', function emptyBuffer() {
-    hookBuffer.forEach(function logBufferItem(loggingEvent) {
-      hook.emit(eventName, loggingEvent);
-    });
-    hookReady = true;
-  });
-
-  return function log(loggingEvent) {
-    if (hookReady) {
-      hook.emit(eventName, loggingEvent);
-    } else {
-      hookBuffer.push(loggingEvent);
-    }
-  };
-}
-
-function createAppender(hookioOptions) {
-  var loggerHook = initHook(hookioOptions);
-  var loggerEvent = hookioOptions.name + '::log';
-  return getBufferedHook(loggerHook, loggerEvent);
-}
-
-function configure(config) {
-  var actualAppender;
-  if (config.appender && config.mode === 'master') {
-    log4js.loadAppender(config.appender.type);
-    actualAppender = log4js.appenderMakers[config.appender.type](config.appender);
-    config.actualAppender = actualAppender;
-  }
-  return createAppender(config);
-}
-
-exports.appender = createAppender;
-exports.configure = configure;