adaptions for tool labs
labs adjustments
set worker threads to 1 for now, until labs set their connection limit to something reasonable
numthreads parameter
watchlist fix
remove watchlist info from logs
email stuff for labs; doesn't work yet because of https://bugzilla.wikimedia.org/show_bug.cgi?id=51359
Merge branch 'mail-for-labs'

Conflicts:
	tlgwsgi.py