enabled all test cases
ending test
tidy up comments in tests.html;
reindented .html files with soft tabs
adjust modifiers position after positioning the staff; use setX() VexFlow if available
removed END volta type; [fix needed in VexFlow]
Merge branch 'master' into endings

Conflicts:
	tests/tests.html
Merge branch 'endings'

Conflicts:
	src/Measure.js
	tests/tests.html