Don't need common

src/freedombone

       mkdir -p /etc/dovecot/conf.d
   fi
 
-  apt-get -y install dovecot-common dovecot-imapd
+  apt-get -y install dovecot-imapd
 
   if [ ! -d /etc/dovecot ]; then
       echo "ERROR: Dovecot does not appear to have installed. $CHECK_MESSAGE"