Add changelog for v6
Add changelog for v6

macressler/jeet,nagyistoce/jeet,travisc5/jeet,durvalrafael/jeet,lucasoneves/jeet,mojotech/jeet,mojotech/jeet,jakecleary/jeet,rafaelstz/jeet,pramodrhegde/jeet,greyhwndz/jeet,ccurtin/jeet