Add base-image for phantomjs
Move boot2docker to base-images
Add base-images info
Add images info in README
Move images/python27 -> base-images/python27
Move images/nodejs -> base-images/nodejs
Move images/mysql-community -> base-images/mysql
Base mysql-data off busybox as data-only
Use mozillamarketplace mysql base-image
Use mozillamarketplace base python image for nginx