Use analogPinToChannel if it's defined
Removed call to analogPinToChannel for Leonardo
Check if ATmega32u4 is defined

Needed in order to work with Arduino Leonardo
Fix for #814, Memory Leak

File isn't closed before being released, it leaks. This test has been verified and tested many times.
Removed double instance of the same code
Added remove methods to WString
add String.toFloat
Minor typo correction

formely->formerly
Update incorrect docs in tonePitchFollower example

The comments state that the speaker should be on pin 8, but the code references pin 9. Updated the comments to reflect the correct pin.
Fixed a typo in the WebServer example.
Fixed robot libraries and examples for unified Arduino core
USB serial baud arg type

Make USB Serial_::begin() function take an unsigned long argument for
consistency with HardwareSerial.

Signed-off-by: Paul Brook <paul@nowt.org>
USB CDC two argument begin()

Add two argument form of Serial_::begin

Signed-off-by: Paul Brook <paul@nowt.org>
Latest Adafruit_GFX fixes + moved GFX lib to utility folder

Updated constructor and dependent code, other minor fixes. Robot LCD
examples all compile, but not yet tested against actual hardware.
Fix indentation (cosmetic)
It was still using jdk FileNameExtensionFilter
Added missing class FileNameExtensionFilter
Removed destructor from File.cpp and SD.h as it leads to unexpected close/destructed objects #814
Update readme.txt
Display line numbers for the file being edited