dart: Escape HTML in todo rendering

Escape HTML entered in epitome example

fixed site URL for TypeScript 

backbone examples: minor style updates.

backbone.xmpp: Fixed up backbone script reference.

Added "Part of TodoMVC" where missing

Revert "Bringing back in JavaScriptMVC implementation based on #252. Note: we need to reduce JMVC dep. bloat."

This reverts commit 75b9d744.

Conflicts:
	index.html

Relative paths in DUEL example

Switch back to current codeparty master.

chmod -x

find . -type f -exec chmod -x {} \;

Adding initial TypeScript + Backbone app for #359, updating lab link colors to maroon, correcting app count.

- Update Backbone.localStorage and RequireJS
- Use `listenTo`
- Improve RequireJS config

- Update Backbone.localStorage
- Use `listenTo`
- Remove unused underscore file

Not needed anymore, since we don't support <IE9

Fix Issue #355 in Batman with a dynamic binding

Batman: Make the list binding bind to an accessor which watches for when the underlying set changes instead of setting it once in the controller action.

Backbone remaining items counter does not update. Reverts 9d4b0b06

This reverts commit 9d4b0b06.

The simplified function call changes the semantics of it. The signature of
without is: _.without(array, [*values]), which is why apply must be used here.

Fixed Stapes/RequireJS link on the homepage.

Removed dot after "items left" for dojo and extjs

Updated Dart and ExtJS to use <strong> instead of <b>

Coffeescript adjusted for 70d77154

Fixed <b> vs <strong> inconsistency in Spine app