Added --min option for grunt watch
Major overhaul to Viewer.open()
More cleanup for open() changes
Docs for Viewer.open()
You can now open multiple images when creating via OpenSeadragon()
More doc tweaks
Fixed test breakages
More unit test fixes
Merge branch 'collections' into ian

fixed Conflicts:
	src/viewer.js
	test/demo/collections/main.js
Merge pull request #509 from openseadragon/ian

New open() API for collections