Added some more sample songs
Added SD card reader and altered TuneManager to load buffer from the text file.
ABC Notation is working with a single test file grabbed from internet.  More extensive tests pending.
Fixed some tempo/note length header bugs (i think).  Also added a few ABC notated song examples.
Added ability to ignore excess notes in stems
Fixed some smaller issues, though some issues remain with parsing the tempo
Update README.md
Update README.md
Merge branch 'master' of https://www.github.com/bajuwa/RoboKitty

Conflicts:
	README.md
Finished up some notation quirks with tempos/bpm.
Cleaned up the code, separated the ABC Notation parsing in to its own class away from Tune Management
merging...
re-adding tune manager readme
made the tune folder in the sd card a customizable location/path
Merge branch 'ABCNotation'