Include pins_arduino.h manually if the old Arduino IDE is used
Retry if device returns hrJERR
Implement ConfigureDevice() before Init()

Also added clearAllVariables() - see: https://github.com/felis/USB_Host_Shield_2.0/pull/63
Moved PID and VID readings
Fixed getButtonClick for analog buttons
lock settings for spi (unused at this time)
Merge branch 'xxxajk' of github.com:felis/USB_Host_Shield_2.0 into xxxajk
Don't call init if an error is returned
Merge branch 'xxxajk' of github.com:felis/USB_Host_Shield_2.0 into xxxajk
More elegant way of doing: 7990c32ad63d087a042842fca8b504da633ff920
Better way to retry when hrJERR is returned
Don't clear pairWithWii
Check for hrJERR after ConfigureDevice too
Don't change error code if it returned hrJERR
Print if connection failed
Speed up core task
Merge branch 'xxxajk' of github.com:felis/USB_Host_Shield_2.0 into xxxajk
locks and constructor/init fixes
Arduino Mega ADK will be activated automatically in Arduino 1.5.5

See: https://github.com/arduino/Arduino/pull/1605
better wording