Changed font glyphs for numbers and the colon

As suggested by bperrybap
http://forum.arduino.cc//index.php?topic=193107.msg1428845#msg1428845

Author: gregington

BigFont.c

@@ -173,7 +173,7 @@ uint8_t BF_width1[] PROGMEM = {
   0x02, 0x05, // 0x29 )
   0x20, 0x05, // 0x2C ,
   0x20, 0x04, // 0x2E .
-  0x04, 0x04, // 0x3A :
+  0x6F, 0x6F, // 0x3A :
   0x01, 0x05  // 0x3B ;
 };
 
@@ -184,14 +184,14 @@ uint8_t BF_width2[] PROGMEM = {
 
 uint8_t BF_width3[] PROGMEM = {
   0x00, 0x01, 0x02, 0x03, 0x04, 0x05, // 0x30 0, 0x4F O
-  0x01, 0x02, 0x20, 0x20, 0x05, 0x20, // 0x31 1
-  0x06, 0x06, 0x02, 0x03, 0x07, 0x07, // 0x32 2
-  0x06, 0x06, 0x02, 0x07, 0x07, 0x05, // 0x33 3
+  0x01, 0x02, 0x20, 0x04, 0xFF, 0x04, // 0x31 1
+  0x06, 0x06, 0x02, 0x03, 0x04, 0x04, // 0x32 2
+  0x06, 0x06, 0x02, 0x04, 0x04, 0x05, // 0x33 3
   0x03, 0x04, 0x02, 0x20, 0x20, 0x05, // 0x34 4
-  0xFF, 0x06, 0x06, 0x07, 0x07, 0x05, // 0x35 5
-  0x00, 0x06, 0x06, 0x03, 0x07, 0x05, // 0x36 6
+  0xFF, 0x06, 0x06, 0x04, 0x04, 0x05, // 0x35 5
+  0x00, 0x06, 0x06, 0x03, 0x04, 0x05, // 0x36 6
   0x01, 0x01, 0x02, 0x20, 0x00, 0x20, // 0x37 7
-  0x00, 0x06, 0x02, 0x03, 0x07, 0x05, // 0x38 8
+  0x00, 0x06, 0x02, 0x03, 0x04, 0x05, // 0x38 8
   0x00, 0x06, 0x02, 0x20, 0x20, 0x05, // 0x39 9
   0x00, 0x06, 0x02, 0xFF, 0x20, 0xFF, // 0x41 A
   0xFF, 0x06, 0x05, 0xFF, 0x07, 0x02, // 0x42 B