Added Bing example
Added Google Maps example
Added OpenLayers 3 endpoint
Changed to protocol-less URI for Bing to prevent 'Blocked Loading Mixed Content' error in Firefox
Merge branch 'google-bing' of github.com:nasa-gibs/gibs-web-examples into google-bing
Bing URI needs a parameter to load via https. Changed GIBS references to https for Bing and Google
Merge branch 'google-bing'

Conflicts:
	deploy/gibs-web-examples.spec
Bing/Google live demos are now coming soon, updated README to explain the actual error returned
Removed coming soon in README