Changes:
1. Added Knob class
2. Added sound effects functions to Melody
3. Added Sequencer example to Magic week
4. Added SimonSays example to Sport week
5. Added dice example to Sport week
6. Changed pitches.h to the main library
Added SimonSays and BinaryLP
IRArray class
Merge branch 'Branch_Madrid_New_Content' of https://github.com/arduinoverkstad/BasicEducationShield into Branch_Madrid_New_Content
Added LineFollower
Added comments+changed name frm dice t DigitalDie
added processing and sound

pocessing sketch to make an bin ay LP disc
Sound files for sequencer
Added IRArray example in help
Minor fixes