Added score model and gp3 to gp5 reader, unit tests for reader
Added a lot of tests, fixed GP5 reader bugs
Basic Rendering, changed neko file loader to new Haxe API
Changed Canvas API to a more clean one
added basic layout and rendering engine for music engraving, added glyph system for easier engraving
Accolade rendering
Added copyright notices and class documentations
Added GlyphGroup for rendering multiple glyphs at the same position
Added rendering for: clef, time signature, key signature, bar numbers,
repeat starts, repeat ends
Added repeat ending
Added layouting and rendering of single notes, chords (including displaced
notes) and note accidentals, fixed handling of guitar-string indices
support for ledger/leger lines
Added rest rendering
Added simple beam drawing
Added overflow handling for ledger/leger lines
Added Beaming
Finalized spacing and overflow handling
Fixed single footer rendering
Fixed spacing bugs
Fixed width of bar number