Work around a Travis-CI configuration change.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
misc/build_helpers/run_trial.py is no longer used.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
Update obsolete paths in munin plugin comments.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
Makefile: make APPNAME a variable.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
Fix minor dependencies on "allmydata-tahoe" as appname.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>