Merge pull request #743 from HeartSaVioR/master

Remove unused & buggy method / class (related to ThreadLocal<Random>)
Version bump
Version bump for README.md
ASK Redirection don't update slot->node
override HostAndPort#hashCode
Fix invalid file mode 755 -> 644
Support zrevrangebylex command

* binary, string, pipeline (binary, string), sharded(binary, string), cluster (string)
Fix zrangebylex with pipelined (parameters reversed)
Remove redundant synchronized from JedisClusterInfoCache

* JedisClusterInfoCache already uses RWLock so synchonized keyword is not necessary
** it just slow down whole throughput
Fix CRC16 encode : string to bytes

* should use SafeEncoder.encode() instead of String.getBytes()
Merge branch 'Hailei-jedis-cluster-fix-asking'
Merge branch 'fix-invalid-file-mode'
Merge pull request #753 from HeartSaVioR/support-zrevrangebylex

Support zrevrangebylex command (closes #746)
Merge pull request #754 from HeartSaVioR/fix-reversed-parameters-zrangebylex-with-pipeline

Fix zrangebylex with pipelined (parameters reversed)
Merge pull request #755 from HeartSaVioR/remove-redundant-synchronize-from-jedis-cluster-info-cache

Remove redundant synchronized from JedisClusterInfoCache
Merge pull request #756 from HeartSaVioR/fix-crc16-encode-string-to-bytes

Fix CRC16 encode : string to bytes
Merge pull request #748 from xuwei-k/override-hashCode

override HostAndPort#hashCode
Add sponsorship : YourKit