added live-reload script to test runners
removed variables / functions from global scope
Merge branch 'live-reload-feature' into all-branches
Merge branch 'cleanup-aerhard' into all-branches

Conflicts:
	src/meilib.js
added support for grace notes in meilib (+ TC)
Merge branch 'gracenote-feature' into all-branches

Conflicts:
	src/meilib.js
fixed typo in code