Add support for editing JS files (page reload)

Trigger the reload command to the remote page when a
related JS file is saved.
disable code that prevents page reload

Temporarily comment the code that detaches editor when editing
JS files since it prevents the feature work.
- #7 created to fix/track this issue.
Merge branch 'js-app-reload-u' into js-app-reload-d

Conflicts:
	LiveDevelopment.js
	documents/LiveDocument.js
	protocol/remote/LiveDevProtocolRemote.js
Merge pull request #21 from sebaslv/js-app-reload-d

Basic support for editing JS files (page reload)