global-functions: support modules (or snippets) in global-functions.d/

This may be interesting for custom scripts which can drop their own
default global configuration.

check-health.rsc

@@ -74,7 +74,7 @@
     :set CheckHealthRAMUtilizationNotified false;
   }
 
-  :local Plugins [ /system/script/find where name~"^check-health.d/." ];
+  :local Plugins [ /system/script/find where name~"^check-health\\.d/." ];
   :if ([ :len $Plugins ] = 0) do={
     $LogPrint debug $ScriptName ("No plugins installed.");
     :set ExitOK true;

global-config.rsc

@@ -275,8 +275,9 @@
 #  /_()_\      Things *will* break!
 #
 # load custom settings from overlay and snippets
-:foreach Script in=([ /system/script/find where name="global-config-overlay" ], \
-                    [ /system/script/find where name~"^global-config-overlay.d/" ]) do={
+:foreach Script in=([ /system/script/find where name~"^global-config\\.d/." ], \
+                    [ /system/script/find where name="global-config-overlay" ], \
+                    [ /system/script/find where name~"^global-config-overlay\\.d/." ]) do={
   :onerror Err {
     /system/script/run $Script;
   } do={

global-functions.rsc

@@ -1900,7 +1900,7 @@
 }
 
 # load modules
-:foreach Script in=[ /system/script/find where name ~ "^mod/." ] do={
+:foreach Script in=[ /system/script/find where name ~ "^(global-functions\\.d|mod)/." ] do={
   :local ScriptVal [ /system/script/get $Script ];
   :if ([ $ValidateSyntax ($ScriptVal->"source") ] = true) do={
     :onerror Err {