#GG-9454 Update version: 6.5.5 -> 6.5.6.
# GG-9454 optimized-classnames.previous.properties from 6.5.5 (sprint-29) release.
gg-9423 Suite for testing via Hadoop CLI
#minor
#gg-9423 fix tests
#gg-9423 Fix review notes
#gg-9423 minor
# GG-9453 Fixed broken links in scaladocs.
Minor fix.