Use standard CodeMirror JS mode
Follow change in AST format (handler prop in TryStatement)
Allow debug output in the demo setup
Don't shadow existing variable uses during an automatic rename
[demo] Be a bit smarter about testing whether the cursor is on a variable
Add a query type for fetching known property names

Issue #25
[closebrackets addon] Clean up 96681ce3d9d7e73380a42e9ce5d838216ca26855
Make implicit loading of require-d files work (on the desktop.js version)
Allow paths in type specs to be based on locally defined names
Use a simpler mechanism for loading plugins
Pedantically rename env.js to def.js for naming consistency
Support load/dontLoad regexp in node plugin configuration