Correct the name of German keyboard in tests
Use deferred for loading rules, correct dependency loading, update tests
Documentation
Have no-repeat follow url for background images

This addresses downstream report https://bugzilla.wikimedia.org/51101
Merge pull request #221 from siebrand/4

Have no-repeat follow url for background images
Hide the IME menu when clicked outside
Use same z-index for all UI elements

All are using z-index = 1000 now