Adding information about HEXPIRE

Update README.md

Merge pull request #2707 from redis/uglide-patch-1

Bump recommended Jedis version

DOC-3564: fix Java client menu (#2704)

DOC-3516: updates to RC try free graphics (#2701)

DOC-3547: gather Java clients under Java 'folder' (#2700)

Add Production usage docs for Node-Redis (#2696)

Add Lettuce quick start guide (#2695)

Merge pull request #2693 from redis/LRC-271

Changes in the context of the Redis license change

Add new INFO evicted_scripts field and eval scripts eviction (#2686)

Add new INFO evicted_scripts field and eval scripts eviction (#2686)

Add client Redis::Cluster::Fast for Perl (#2664)

Fix the directory structure of the Ballerina client (#2685)

Add Ballerina to the list of languages (#2684)

Add Ballerina Redis client (#2682)

Added in missing word "extract" in install-redis-from-source.md (#2648)

Add allocator_muzzy field in INFO MEMORY and MEMORY STATS (#2672)

Add Lua os library section (#2671)

Document CLIENT KILL MAXAGE filter (#2666)

Document XINFO STREAM FULL (#2669)

Fix the rendering of the RESP documentation for the INFO command (#2676)

Apply title to raw link (#2678)

Bugfix-install redis broken link (#2680)

Update KEYS and SCAN page about pattern with hash tag (#2610)

Update object-encoding doc to mention all the encodings (#2677)

Add WATCH metrics (#2665)

Allow by/get of sort(ro) in cluster mode. (#2611)