aqhome-cgi: more work on pages2

- implemented actors
- improved page files to allow for more personalization of content

apps/aqhome-cgi/modules/devices/mdevices_pagectx.c

@@ -203,6 +203,10 @@ AQH_DATACLIENT *AQH_MDPageCtx_GetDataClient(const AQH_MD_PAGECTX *ctx)
 
 
 
+AQH_VALUE *AQH_MDPageCtx_GetValue(const AQH_MD_PAGECTX *ctx, const char *vName)
+{
+  return (ctx && ctx->valueList && vName)?AQH_Value_List_GetByNameForSystem(ctx->valueList, vName):NULL;
+}