Fully upgrade to canjs 5 and steal 2.0

[matthewp]

Currently this app is mostly upgraded to canjs 5. But we want to also:

• Use the main can package.
• Upgrade to steal 2.0.
• Change to use the component constructors.
• Use the new can-route-pushstate.

[matthewp]

I'm updating can-zone to 1.0 and then will update this issue: https://github.com/donejs/bitballs/pull/336

[matthewp]

1.0 is out!

[matthewp]

Woops, wrong issue.