package.json: Sorted devDependencies alphabetically.
Convert the addCacheManifest test to mocha/unexpected.
Converted Asset test to mocha/unexpected.
Update jshint to 2.5.0.
package.json: Don't use the "hat" syntax.
bundleRelations test: Switch to mocha/unexpected.
WIP
Try to get Travis to not run on the browserPopulate branch.