Merge pull request #205 from digitalhero/master

module id part 2
Avoid re-calling connect on watch. 'npm test' now calls 'grunt test' instead of 'grunt build'
Adding instructions about running bower install
Fix grunt tasks. we now have 'build', 'spec' and 'default'.
First attempt to have a proper sandbox cleanup on widgets stop
Improve mediator extension

- Keep track of events attached to sandboxes to be able to clean them.
- Add tests.
Add start and stop method in widget
Fix sandboxes tree
oops...
Adding spec for widgets nesting
use _.defaults for mediator default config + minor stuff
minor stuff
Merge pull request #206 from sbellity/feature/stop

Adding support for widgets nesting + proper disposal of listeners when a widget is stopped
Adding note about getting older versions.
Fix for npm test on Windows
Merge pull request #213 from dotCypress/master

Fix test script on Windows