DSP-1655 Backport CASSANDRA-5284

Fix possible assertion triggered in SliceFromReadCommand
patch by slebresne; reviewed by jbellis for CASSANDRA-5284
DSP-1658 Backport CASSANDRA-5280

Add nodetool options to repair specific ranges.
Patch by brandonwilliams, reviewed by yukim for CASSANDRA-5280
DSP-1658 Backport CASSANDRA-5203

fix nodetool repair not fail on node down;
patch by yukim reviewed by brandonwilliams for CASSANDRA-5203
Bumped version for DSE 2.2.3