demo page files added
indenting and 'where are we' section
added Bartok tests as showcase example
formatted demo page
pre width=1000
code first then canvas
re-compiled meitovexflow-min.js
re-combined .js files in correct order
refine formatting of demo page
Demo page contains more demo test cases

Code preview is fed from the XML DOM object
padding removed from section.demo
local vexflow build; rebuild meitovexflow; adjusted canvas heights
Merge pull request #3 from zolaemil/gh-pages

Demo page content and some basic formatting