chore: remove jquery from bower deps
test(ResourceLoader): add basic death tests for loading a resource

Ensure the ResourceLoader handles the machinery and error checking for Resource class instances.  Create a MockResource that is tested for 'ready' and 'failed' events when it is loaded.
test: coverage of basic success failure for most resource types

- add fixtures for various data types
- test loading valid and invalid URLs for each basic resource type
- test instantiating ResourceLoader and creating types