Add support for Teensy 3.0
Merge pull request #22 from PaulStoffregen/master

Teensy 3.0 compatibility
Merge branch 'master' of https://github.com/shirriff/Arduino-IRremote

# By PaulStoffregen
# Via PaulStoffregen (1) and joshua noble (1)
* 'master' of https://github.com/shirriff/Arduino-IRremote:
  Add support for Teensy 3.0