新开分支整理代码：

1.帮助文档修改功能
2.帮助文档与上一版对比功能
3.单点问题解决
4.markdown帮助文档

Conflicts:
	src/main/resources/messages/message_en.properties
	src/main/resources/messages/message_ru.properties
	src/main/resources/messages/message_zh_CN.properties

src/main/java/com/nis/util/redis/RedisPoolHelper.java

@@ -0,0 +1,69 @@
+package com.nis.util.redis;
+
+import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
+import org.apache.log4j.Logger;
+
+import com.nis.util.Configurations;
+
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.JedisPool;
+
+public class RedisPoolHelper {
+	private Logger logger=Logger.getLogger(RedisPoolHelper.class);
+	private JedisPool jedisPool;
+	private String host;
+	private int timeout;
+	public RedisPoolHelper(){
+		init();
+	}
+	private void init() {
+		synchronized (this) {
+			if (jedisPool == null) {
+				host=Configurations.getStringProperty("redis.host", "127.0.0.1:6379");
+				timeout=Configurations.getIntProperty("redis.timeout", 10000);
+				String[] hostAndPort = host.split(":");
+				jedisPool = new JedisPool(getPoolConfig(), hostAndPort[0], Integer.parseInt(hostAndPort[1]), timeout);
+				logger.info("redis pool init complate! host-->"+hostAndPort[0]+" port:"+Integer.parseInt(hostAndPort[1]));
+			}
+		}
+		
+	}
+	public Jedis getJedis() {
+		if (jedisPool == null) {
+			init();
+		}
+		return jedisPool.getResource();
+	}
+	public JedisPool getJedisPool() {
+		return jedisPool;
+	}
+
+	public void setJedisPool(JedisPool jedisPool) {
+		this.jedisPool = jedisPool;
+	}
+	
+	/**
+	 * 
+	 * getPoolConfig(初始化连接池的配置，这里可以设置很多参数的，不过目前没加)
+	 * (这里描述这个方法适用条件 – 可选)
+	 * @return 
+	 *GenericObjectPoolConfig
+	 * @exception 
+	 * @since  1.0.0
+	 */
+	private  GenericObjectPoolConfig getPoolConfig(){
+		GenericObjectPoolConfig config=new GenericObjectPoolConfig();
+		config.setMaxTotal(Configurations.getIntProperty("redis.pool.maxtotal", 500));//整个池的最大值
+		config.setMaxIdle(Configurations.getIntProperty("redis.pool.maxidle", 100));//最大空闲
+		config.setMaxWaitMillis(Configurations.getIntProperty("redis.pool.maxwaitmillis", -1));//获取不到永远等待
+		config.setBlockWhenExhausted(Configurations.getBooleanProperty("redis.pool.blockwhenexhausted", true));
+		config.setNumTestsPerEvictionRun(Configurations.getIntProperty("redis.pool.numtestsperevictionrun", Integer.MAX_VALUE));//always test all idle object 
+		config.setTestOnBorrow(Configurations.getBooleanProperty("redis.pool.testonborrow", true));
+		config.setTestOnReturn(Configurations.getBooleanProperty("redis.pool.testonreturn", false));
+		config.setTestWhileIdle(Configurations.getBooleanProperty("redis.pool.testwhileidle", true));//发呆过长时间是否先test一下
+		config.setTimeBetweenEvictionRunsMillis(Configurations.getLongProperty("redis.pool.timebetweenevictionrunsmillis", 60000L));//-1不启动，默认1min一次
+		config.setMinEvictableIdleTimeMillis(Configurations.getLongProperty("redis.pool.minevictableidletimemillis", 60000L));//可发呆的时间，10mins
+		return config;
+	}
+	
+}

src/main/java/com/nis/util/redis/SaveHelpInfoThread.java

@@ -0,0 +1,38 @@
+package com.nis.util.redis;
+
+
+import org.apache.log4j.Logger;
+
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.JedisPool;
+
+public class SaveHelpInfoThread extends Thread {
+	private Logger logger=Logger.getLogger(SaveHelpInfoThread.class);
+	private JedisPool jedisPool;
+	private Jedis jedis;
+	private String key;
+	private String value;
+	private int expire;
+	public SaveHelpInfoThread(JedisPool jedisPool,String key,String value,int expire){
+		this.jedisPool=jedisPool;
+		this.key=key;
+		this.value=value;
+		this.expire=expire;
+		jedis=jedisPool.getResource();
+		
+	}
+	@Override
+	public void run() {
+		try {
+			jedis.set(key, value);
+			if(expire!=-1){
+				jedis.expire(key, expire);
+			}
+			logger.debug("cache help[key --> "+key+"]");
+		} catch (Exception e) {
+			logger.error("save redis error",e);
+		}finally{
+			jedis.close();
+		}
+	}
+}