Fixed Node environment

Fix back package.json "main" file. Use window OR global to allow Node…

… support

Upgraded for more robust handling of async Promise validation using J…

…asmine's done() callback.

Fixed an embarrassing typo in order to resolve issue #1. Left a backw…

…ards-compatible mapping in place though.

Changed default to use mock clock. Also added better failure behavior…

… for tests that did not reject or resolve

Initial release for Bower