Make line/column positions in error messages clickable
Fix crash when using a different module name for Main
Fix extra line breaks in error messages
Remove JS stack from runtime error messages
Use CSS for error messages (and fix link colors)
Match editor font size in error messages
Fix a typo in the Elm highlight rules
Add GLSL quasiquotes to Elm mode
Move classes into separate files
Organize project into separate directories and remove app.nw
Fix libraries directory
Merge branch 'master' into ca

Conflicts:
	app.nw/libraries
	libraries/README.md