Updated app-child-manager spec
Updated app-child-manager spec

Updated app-child-manager.spec.js to include tests for the following:
- passing in an object literal to addChildApp()
- removed test for passing in an object ( i.e. {}) to buildApp()
- formatted spec file to be consistent

Resolves #57

paulfalgout/marionette.toolkit,RoundingWellOS/marionette.toolkit,paulfalgout/marionette.toolkit,RoundingWellOS/marionette.toolkit,TerrenceLJones/marionette.toolkit,TerrenceLJones/marionette.toolkit,paulfalgout/marionette.toolkit