wip: mocha: load marionette
wip: gulp: add app.js task
wip: utils: add Utils.loadModules()
wip: app: add Collections class
wip: app: add Models class
wip: app: move app_router => routers/app_router
wip: app: add Routers class
wip: app: add Views class
wip: collections: add Repositories
wip: models: fix load modules
wip: routers: fix load modules
wip: views: fix load modules
wip: utils: fix loadModules()
wip: repositories: spec: use Collections class
wip: app_router: spec: use Routers class
wip: base_view: spec: use Views class
wip: build