Merge pull request #441 from bkpsu/Marlin_v1

Fixed cardreader.h to resolve issue #440 (Pull Request  #425 missing file)

Marlin/cardreader.h

 
   void checkautostart(bool x); 
   void openFile(char* name,bool read);
+  void openLogFile(char* name);
   void removeFile(char* name);
   void closefile();
   void release();
 
 public:
   bool saving;
+  bool logging;
   bool sdprinting ;  
   bool cardOK ;
   char filename[13];