flip poly2tri-dude in y
update poly2tri-dude in browserified tests
beginning of a test-expectations viewer

currently displays the input contours in SVG
add triangulation to expectations viewer
update some styling
add boundary view to expectations viewer
for now, provide default normal in expectations viewer
rearrange expectations viewer layout
fix for expectations viewer in Firefox: no svgElement.offsetWidth there
add expectations viewer link to readme
Merge pull request #8 from brendankenny/expectationsviewer

add a test expectations viewer