microbit: Update to lancaster-university repo.

- Updates to modules.json to point to new lancaster-university repo
- Cleanup of .gitignore
- Modified main.cpp to latest DAL API.

.gitignore

@@ -1,7 +1,3 @@
 build
 yotta_modules
 yotta_targets/*
-
-!.gitignore
-
-!yotta_targets/bbc-microbit-armcc

module.json

@@ -10,9 +10,9 @@
   ],
   "dependencies": {
       "mbed-classic": "~0.0.4",
-      "ble": "jamesadevine/BLE_API#master",
-      "ble-nrf51822": "jamesadevine/nrf51822#master",
-      "microbit-dal":"jamesadevine/microbit-dal#master"
+      "ble": "lancaster-university/BLE_API#master",
+      "ble-nrf51822": "lancaster-university/nrf51822#master",
+      "microbit-dal":"lancaster-university/microbit-dal#master"
   },
   "targetDependencies": {},
   "bin": "./source"

source/main.cpp

@@ -20,7 +20,7 @@ void app_main()
 {
   while (1)
   {
-	  uBit.display.scrollString("HELLO! :)");
+	  uBit.display.scroll("BELLO! :)");
 	  uBit.sleep(1000);
   }
 }