Added main descartes architecture (no jsdoc).
Fixed canvas duplication.
Add placeholders canvas initialization
Add jquery enabled scope in main
Completed basic descartes plotting
plot function
Finished visualisation architecture implementation for script plotting.
Fixed some plot integration issues.
Calling view.drawPlot() in controller
Quick fixed plotting for demo
Fixed function popagation problem.
Merging dev into descartes
Fix merge
Added click and move listener support to descartes handler
Fixed != in language and fixed min and max

Conflicts:
	test/model/library/max.js
	test/model/library/min.js
Test all current ACCEL scripts for compilation.
Input element regex would not capture whitespace.
Removed complicated units regex that did not work.
Added missing reference to underscore.
Input element now supports any kind of number.