Exploring canvas for pmi.
Experimenting with canvas
Adding events to canvas
Adding canvas element, scaling it, creating canvas scales for point placement.
More updates
Fixing problem with webkit and max call stack size exceeded
Merge branch 'master' into canvas

Conflicts:
	web-server/js/parameter-image-scatterplot.js
Updates
Merge branch 'master' into canvas
Finishing up selected layer. Refactoring border and square size code.
Refactoring mousemove to enable hover on svg instead of underlying canvases.
Looping backwards so points on top get selected on click instead of those at the bottom
Merge branch 'master' into canvas
Removing unused code
Removing unneeded files.
Removing unneeded file.
Merging canvas