various improvements

- use dig for resolving host names
- ascon.c: fix terminator parsing
- property callback: change property before callback
- logger.c:default for logger period must be the old value instead of 1
- add frappy type history writing
- increase max. logreader line length
- HIPNONE returns "null" with json protocol
- encode strings properly in formatNameValue
- fix memory leak in json2tcl
- scriptcontext: do not show debug messages when script starts with underscore or when the "send" property is empty
- scriptcontext: remove args for action timestamp
- scriptcontext: "que" function will replace an already queued action, e.g. for 'halt
- introduced updatestatus script

logger.h

@@ -16,12 +16,16 @@ typedef struct Logger {
   int numeric;
   int period;
   int exact;
+  void *histWriter;
+  char *secop_old;
+  char *secop_id;
   /* private: */
   char *old;
   int oldsize;
   time_t last, lastWrite, omitTime;
   float omitValue;
   struct Logger *next;
+  int category; /* 0: unimportant, 1: important */
 } Logger;
 
 
@@ -39,5 +43,6 @@ void LoggerChange(Logger * log, int period, char *newname);
 int LoggerVarPath(char *dir, char *path, int pathLen, char *name,
                   struct tm *t);
 void LoggerFreeAll(void);
-
+int LoggerMakeDir(char *path);
+Logger *LoggerList(void);
 #endif