add tuner
add tuner

git-svn-id: e0ea9fb9737f8c15db0f586d49c60fd461d51904@769 e5ace225-184b-0410-aeed-e0aa2ff36a70

volfste2/tuxguitar,volfste2/tuxguitar,volfste2/tuxguitar,halfspiral/tuxguitar,volfste2/tuxguitar,halfspiral/tuxguitar,halfspiral/tuxguitar,halfspiral/tuxguitar,volfste2/tuxguitar,volfste2/tuxguitar,halfspiral/tuxguitar,halfspiral/tuxguitar