Nigel Cunningham authored Sep 24, 2014 and Robert Lyon committed Feb 10, 2015

Fix the handling of disabling a plugin when we find that the files
for a module are missing.

Change-Id: I706a9c4fd3c86fb1a0e330bb77c40d5e6d888a52
Signed-off-by: Nigel Cunningham <nigelc@catalyst-au.net>