Fixed Mouse and Keyboard device demos not acting in accordance with the HID specification for idle periods (thanks to Brian Dickman).

Removed support for endpoint/pipe non-control interrupts; these did not act in the way users expected, and had many subtle issues.

Demos/Device/Keyboard/Keyboard.h

@@ -54,6 +54,9 @@
 		#include <LUFA/Drivers/Board/LEDs.h>         // LEDs driver
 
 	/* Macros: */
+		/** Idle period indicating that reports should be sent only when the inputs have changed */
+		#define HID_IDLE_CHANGESONLY 0
+
 		/** HID Class specific request to get the next HID report from the device. */
 		#define REQ_GetReport      0x01
 
@@ -114,8 +117,8 @@
 	/* Function Prototypes: */
 		void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData);
 		void ProcessLEDReport(uint8_t LEDReport);
-		static inline void SendNextReport(void);
-		static inline void ReceiveNextReport(void);
+		void SendNextReport(void);
+		void ReceiveNextReport(void);
 		void UpdateStatus(uint8_t CurrentStatus);
 		
 #endif