Teensy 3.1 support

entrypoints/teensy31.py

@@ -0,0 +1,10 @@
+import sys
+
+from kmk_keyboard_user import main
+
+if __name__ == '__main__':
+    try:
+        main()
+    except Exception as e:
+        sys.print_exception(e)
+        sys.exit(1)