Added No USB workaround to pins.h

Due to a bad Leonardo Bootloader this is the only way (i know) to fix
this bug right now. It no longer needs to be included in the sketch
anymore, this will be compiled automatically now.

avr/variants/leonardo_no_usb/no_usb_isr.cpp

@@ -0,0 +1,11 @@
+#include <Arduino.h>
+#include <pins_arduino.h>
+
+// workaround for undefined USBCON has to be placed in every sketch
+// otherwise the timings wont work correctly
+// this is only needed for Leonardo/Micro boards and not for HoodLoader2
+// due to a better bootloader reset (usb clock does not run after programming)
+ISR(USB_GEN_vect)
+{
+	UDINT = 0;
+}

avr/variants/micro_no_usb/no_usb_isr.cpp

@@ -0,0 +1,11 @@
+#include <Arduino.h>
+#include <pins_arduino.h>
+
+// workaround for undefined USBCON has to be placed in every sketch
+// otherwise the timings wont work correctly
+// this is only needed for Leonardo/Micro boards and not for HoodLoader2
+// due to a better bootloader reset (usb clock does not run after programming)
+ISR(USB_GEN_vect)
+{
+	UDINT = 0;
+}

examples/Projects/Leonardo_Micro_NoUSB_Blink/Leonardo_Micro_NoUSB_Blink.ino

@@ -1,31 +0,0 @@
-/*
- Copyright (c) 2014 NicoHood
- See the readme for credit to other people.
-
- Leonardo_Micro_NoUSB_Blink
- 
- Blinks Led and shows what workaround is needed to fix the timing.
- This is not needed for HoodLoader2 devices any more.
-*/
-
-
-// workaround for undefined USBCON has to be placed in every sketch
-// otherwise the timings wont work correctly
-ISR(USB_GEN_vect)
-{
-  UDINT = 0;
-}
-
-// the setup function runs once when you press reset or power the board
-void setup() {
-  // initialize digital pin 13 as an output.
-  pinMode(13, OUTPUT);
-}
-
-// the loop function runs over and over again forever
-void loop() {
-  digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
-  delay(1000);              // wait for a second
-  digitalWrite(13, LOW);    // turn the LED off by making the voltage LOW
-  delay(1000);              // wait for a second
-}