adding fermata.parts.width as sum of measureWidth
removing for loop and merging fermata.parts.width calculation in measure.$width loop calculation.
new file:   src/Fermata.Render.Width.js:        moving width calculation to a new file
                                                implementing new functionnalities and removing old comments and some crapy code.
modified:   src/Fermata.Dev.Node.js:            adding with calculation source file
modified:   src/Fermata.Render.Score.js:        removing width calculation from this file
modified:   src/SConstruct:                     adding with calculation source file
modified:   tests.old/index.html:               adding with calculation source file
modified:   tests/mocha/runner.html             adding with calculation test file
now use existing mapping for key signature conversion
adding time measurement width calculation and few correction
adding few json tests for width calculation.
adding few tests about width calculation
correcting few typos
correcting values in tests
temp
add exception for MusicXML not supported features
add new scores for import tests
create import tests
only make init once
fix test creation
add base file for musicxml feature detection
check voices with several staff features
also test the feature checking function
fix fixture loading
do the rendering only if the check passes