SD Card Alpha Sorting

First iteration of alphabetical sorting for SD cards, both
slow+efficient and fast+rammy. Option for folders to sort first, last,
or not at all.

Marlin/cardreader.h

@@ -46,7 +46,11 @@ public:
 #ifdef SDCARD_SORT_ALPHA
   void presort();
   void flush_presort();
+<<<<<<< HEAD
   void getfilename_sorted(const uint16_t nr);
+=======
+  void getfilename_sorted(const uint8_t nr);
+>>>>>>> SD Card Alpha Sorting
 #endif
 
 
@@ -60,22 +64,37 @@ public:
 public:
   bool saving;
   bool logging;
+<<<<<<< HEAD
   bool sdprinting;
   bool cardOK;
   char filename[FILENAME_LENGTH];
   char longFilename[LONG_FILENAME_LENGTH];
+=======
+  bool sdprinting ;  
+  bool cardOK;
+  char filename[FILENAME_LENGTH];
+  char diveFilename[LONG_FILENAME_LENGTH];
+>>>>>>> SD Card Alpha Sorting
   bool filenameIsDir;
   int lastnr; //last number of the autostart;
 private:
   SdFile root,*curDir,workDir,workDirParents[MAX_DIR_DEPTH];
   uint16_t workDirDepth;
 #ifdef SDCARD_SORT_ALPHA
+<<<<<<< HEAD
   uint16_t sort_count;
   uint8_t *sort_order;
   #if SORT_USES_MORE_RAM
     char **sortshort;
     char **sortnames;
     uint8_t *isDir;
+=======
+  #if SORT_USES_MORE_RAM
+    uint16_t sort_count;
+    char **sortnames;
+  #else
+    uint8_t sort_order[SORT_LIMIT];
+>>>>>>> SD Card Alpha Sorting
   #endif
 #endif
   Sd2Card card;