Default display blanking to 10 minutes (enabled)

Config.h

@@ -231,7 +231,7 @@
     uint8_t display_intensity = 0xFF;
     uint8_t display_addr = 0xFF;
     volatile bool display_updating = false;
-    bool display_blanking_enabled = false;
+    bool display_blanking_enabled = true;
     bool display_diagnostics = true;    
     bool device_init_done = false;
     bool eeprom_ok = false;

Display.h

@@ -164,7 +164,7 @@ float epd_update_fps  = 0.5;
 #define DISP_MODE_LANDSCAPE 0x01
 #define DISP_MODE_PORTRAIT  0x02
 #define DISP_PIN_SIZE   6
-#define DISPLAY_BLANKING_TIMEOUT 1*60*1000
+#define DISPLAY_BLANKING_TIMEOUT 10*60*1000
 uint8_t disp_mode = DISP_MODE_UNKNOWN;
 uint8_t disp_ext_fb = false;
 unsigned char fb[512];