eliminate superfluous double call
remove unused function
handle all returns of mnesia:system_info(is_running)
ignore 'invoke' on different module
rather than exploding.
Merge bug25422
stable to default
single io:format in order to prevent output interleaving
Merge bug25420
stable to default
Unify the various checks before sending, and make sure we don't drop the new limiter on the floor.
Merge default
Reduce distance to default.