Fixes and additional tests for readless increment handling on flush and compaction
Refactor and simplify internal processing of increments
Apply readless increment fixes to HBase 0.94 and 0.96
Use Tephra 0.3.4 release
Added "data.tx.timeout", default value and description; corrected description of "data.tx.janitor.enable"; fixed formatting of "weave.jvm.gc.opts"
Changed all occurrences of "weave" to "twill" and "Weave" to "Twill".
Merge pull request #866 from caskdata/feature/r2.6.0_fix_config_docs

CDAP-1068 Correction to cdap-site.xml documentation
Add some comments to increment logic and don't try to sum deletes
Add tests for mixed increments and deletes
Add test for increment handling of delete markers on raw scans
CDAP-1044 Fix table upgrade when readless increments is configured
Merge pull request #865 from caskdata/feature/upgrade-incr

CDAP-1044 Fix table upgrade when readless increments is configured
Merge pull request #860 from caskdata/feature/readless-incr-fix

CDAP-1062 Readless increments can drop cells on flush and compaction
Merge branch 'release/2.6.0' into feature/r2.6.0_fix_release_notes