Release 1.3.0

Sync with upstream

Non local replicas fallback

Upstream integration of token aware batching

Upstream bug fixes

Selecting the proper token for shard awareness

Fix for excess connections and minor sync with upstream

Sync with upstream as well as a few bugs fixed

First release of Scylla shard aware gocql fork.

Merge pull request scylladb#570 from Zariel/ccm-dont-need-binary

dont need to specify binary for ccm version anymore