Use loopback 2.x in unit tests.
package: update dependency versions
Merge pull request #58 from strongloop/feature/use-loopback-2x-for-tests

Use loopback 2x for tests, update dependency versions
added failing test for coffee-script models

Signed-off-by: bitmage <q@bitmage.net>
added fix for coffee-script models

Signed-off-by: bitmage <q@bitmage.net>
only load model file extensions that are registered with require.extensions
(coffee-script test now fails)

Signed-off-by: bitmage <q@bitmage.net>
added coffee-script register to the test - now passes

Signed-off-by: bitmage <q@bitmage.net>
added browser test for coffee-script app

Signed-off-by: bitmage <q@bitmage.net>
added docs for coffee-script

Signed-off-by: bitmage <q@bitmage.net>