Fix Dot Positioning

modifiercontext,js :: fix dot positioning in formatDots.

stavenote.js :: increase 32nd and 64th note stems to accomodate extra
flags/beams.

dot_tests.js :: added additional note groups to basic test.

stavenote_tests.js :: repositioned stave to accomodate longer 32nd and
64th note stems.
Fix Dot Positioning

modifiercontext.js :: new code to incorrect dor position in multi-voice
test.

dot_tests.js :: add two trieds to Basic test
Removed tabs.