Add default "all" makefile targets to the demo tree makefiles.

Demos/Device/makefile

@@ -13,6 +13,8 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
+all:
+
 %:
 	$(MAKE) -C ClassDriver $@
 	$(MAKE) -C LowLevel $@

Demos/DualRole/ClassDriver/MouseHostDevice/DeviceFunctions.c

@@ -144,4 +144,4 @@ void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDI
                                           const uint8_t ReportType, const void* ReportData, const uint16_t ReportSize)
 {
 	// Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports
-}
+}

Demos/DualRole/makefile

@@ -13,5 +13,7 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
+all:
+
 %:
 	$(MAKE) -C ClassDriver/ $@

Demos/Host/makefile

@@ -13,6 +13,8 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
+all:
+
 %:
 	$(MAKE) -C ClassDriver $@
 	$(MAKE) -C LowLevel $@

Demos/makefile

@@ -13,6 +13,8 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
+all:
+
 %:
 	$(MAKE) -C Device $@
 	$(MAKE) -C Host $@

Projects/AVRISP-MKII/makefile

@@ -194,9 +194,9 @@ CDEFS += -DAUX_LINE_PORT=PORTB
 CDEFS += -DAUX_LINE_PIN=PINB
 CDEFS += -DAUX_LINE_DDR=DDRB
 CDEFS += -DAUX_LINE_MASK="(1 << 4)"
-CDEFS += -DVTARGET_ADC_CHANNEL=2
 CDEFS += -DENABLE_ISP_PROTOCOL
 CDEFS += -DENABLE_XPROG_PROTOCOL
+CDEFS += -DVTARGET_ADC_CHANNEL=2
 CDEFS += -DVTARGET_REF_VOLTS=5
 CDEFS += -DVTARGET_SCALE_FACTOR=1
 #CDEFS += -DNO_VTARGET_DETECT