Merge branch 'tcl86' into maint

* tcl86:
  Clarify that TCL 8.6 support does not add TCL scripting
  Add support for TCL 8.6

Conflicts:
	doc/UPDATES
Merge branch 'internal-users-hubs' into maint

* internal-users-hubs:
  Fix hub startup not respecting changed HUB lines in config

Conflicts:
	doc/UPDATES
Merge branch 'v-stale-packconfig' into maint

* v-stale-packconfig:
  Use simpler method of removing hublevel
  Fix './wraith -V' not showing the updated HUB info

Conflicts:
	doc/UPDATES
Merge branch 'master' into next

* master:

Conflicts:
	doc/UPDATES