Changed weights from ints to doubles
Adopted test to use decimal weight values
Restored old method for int weights for backwards compatibility
Removed deprecated int based weights
Follow up changes on "pubsub numsub" output

* String, String to String, Long
* We're avoiding to break backward compatibility
** convert Long to String so that return type is same to old type
Implements #701, add close() to JedisCluster
Merge pull request #718 from HeartSaVioR/pubsub-numsub-output-changed

Follow up changes on "pubsub numsub" output (Fixes #714)
Merge branch 'present-close-to-jedis-cluster' of https://github.com/HeartSaVioR/jedis into HeartSaVioR-present-close-to-jedis-cluster
Merge branch 'HeartSaVioR-present-close-to-jedis-cluster'
Merge branch 'master' of https://github.com/markus-s24/jedis into markus-s24-master
Merge branch 'markust push origin master-s24-master'
Merge branch 'double-weights' of https://github.com/markus-s24/jedis into markus-s24-double-weights
Merge branch 'markus-s24-double-weights'
Closes #656. Add a getNumActive() method to JedisPool to provide access to the current state of the internal pool.
Closes #656. Added 2 more asserts to ensure the count decrements correctly.