added getNotes()
added MEI elements to vf annotation objects
removed text_width calculation in Vex.Flow.Hyphen
Merge branch 'new_features' into dev

Conflicts:
	src/vexflow-overrides.js
removed element addition to vexflow articulations
added tstamp support on <dir> elements
added jsdoc + basic support for dynam elements
changed documentation
minor patches
added superclasses for links and pointing elements
adaptions to latest bower VexFlow version
updated UnitTest.html
removed unused variables
added dynamics TC to raphael test
fixed cross-system rendering of ties/slur elements
adapted hairpin->vexflow conversion to slurs/ties
re-added all tests in tests.html
changed item order in documentation
added auto alignment of time signatures
changed program flow in measure 1. all staves 2. all voices