disable testWithRealSecondJvm

Fixes elastic#9917

replace non ascii character failing javadoc compilation (elastic#9912)

prevent tests from stalling by ensuring files we check get flushed

Fixes elastic#9795

Fix relative path for arcsight module. Fixes elastic#9714

Fixes elastic#9715

Backport new PQ implementation to 5.6 (elastic#9698)

Add conditional coding to set correct default for codec (elastic#9363)

Fix conditional coding

Fixes elastic#9139

Use v1.1 of java code format

Fixes elastic#9358

Add release note for fix for broken plugin installs in 6.2.2

Fixes elastic#9170

Release v6.2.2