Bash: implemented installer script for server and modules (beta)

+ minor fixes

bin/bash_shared/includes.sh

@@ -1,3 +1,5 @@
+[[ ${GUARDYVAR:-} -eq 1 ]] && return || readonly GUARDYVAR=1 # include it once
+
 # force default language for applications
 LC_ALL=C 
 
@@ -17,6 +19,8 @@ source "$AC_PATH_CONF/config.sh.dist" # "hack" to avoid missing conf variables
 
 if [ -f "$AC_PATH_CONF/config.sh"  ]; then
     source "$AC_PATH_CONF/config.sh" # should overwrite previous
+else
+    echo "NOTICE: file <$AC_PATH_CONF/config.sh> has not been found, you should create and configure it."
 fi
 
 #