amavis_multi: multigraph plugin to monitor amavisd mail filter
Plugin amavis_awk: improve variable names
Fix trivial instances of wrong autoconf exitcodes
Whitespace cleanup
replace hard-coded paths (e.g. '/var/lib/munin/plugin-state') with '$MUNIN_PLUGSTATE'
see http://guide.munin-monitoring.org/en/latest/plugin/env.html
Category Tree: reduce number of categories
