Automatic downloading of select hotels' images via Expedia API
uncommenting hotel image file saving logic; code cleanup
Merge branch 'dev' of https://github.com/roomblocker/roomblocker-mean into expedia

Conflicts:
	app/controllers/hotels.server.controller.js
Merge branch 'expedia' of https://github.com/roomblocker/roomblocker-mean into dev