Cleaning snapctl usage

Signed-off-by: Ondrej Kubik <ondrej.kubik@canonical.com>

snap-src/bin/config

@@ -1,11 +1,6 @@
 #!/bin/sh
 
-# store here all configuration options for wekan snap
-SNAP_NAME="wekan"
-
-# read configured settings first
-SETTINGS_FILE="$SNAP_COMMON/wekan_settings.sh"
-[ -f $SETTINGS_FILE ] && . $SETTINGS_FILE
+# All supported keys are defined here together with descriptions and default values
 
 # list of supported keys
 keys="MONGODB_BIND_UNIX_SOCKET MONGODB_BIND_IP MONGODB_PORT MAIL_URL MAIL_FROM ROOT_URL PORT DISABLE_MONGODB CADDY_ENABLED CADDY_BIND_PORT"

snap-src/bin/wekan-help

@@ -1,11 +1,12 @@
 #!/bin/bash
 
-source $SNAP/bin/config &>/dev/null
+# first read settings
+source $SNAP/bin/wekan-read-settings &>/dev/null
 
 echo -e "Wekan: The open-source Trello-like kanban.\n"
 echo -e "Make sure you have connected all interfaces, check more by calling $ snap interfaces"
 echo -e "\n"
-echo -e "${SNAP_NAME} has two services, to check status/restart/stop use systemd commands"
+echo -e "${SNAP_NAME} has multiple services, to check status/restart/stop use systemctl"
 echo -e "mongodb service:"
 echo -e "\t$ sudo systemctl status/start/stop/restart snap.$SNAP_NAME.mongodb"
 echo -e "wekan service"