Implements Closeable to Pooled Jedis & ShardedJedis

* Implement Closeable from Jedis, ShardedJedis with Pooled
** resources from JedisPool, JedisSentinelPool, ShardedJedis, ShardedJedisPool
* Connection class : check whether Jedis Connection is broken
** when it's time to throw JedisConnectionException, mark Connection to broken
Merge branch 'master' into implements-closeable-to-pooled-jedis-shardedjedis

Conflicts:
	src/main/java/redis/clients/jedis/Jedis.java
	src/main/java/redis/clients/jedis/JedisSentinelPool.java
	src/main/java/redis/clients/jedis/ShardedJedis.java
	src/test/java/redis/clients/jedis/tests/JedisPoolTest.java