fix import problems
impstats: is stable code, some advise re impstats msgs
Merge branch 'v5-stable' into v7-stable

Conflicts:
	source/configuration/modules/impstats.rst
fix formatting errors
some more details on online help
Merge branch 'v5-stable' into v7-stable
Merge branch 'v7-stable' into v8-stable
fix merge problem
Merge branch 'v7-stable' into v8-stable