Add tests for things in utils
Use print_function
Creating new base/js/keyboard.js
Adding utility functions.
Adding basic tests for keyboard.js
Fixing references to IPython.keycodes.
Removing old keyboard handling from IPython.utils.
Addressing things in completer.js.
Merge pull request #5241 from takluyver/utils-test-coverage1

Add some tests for utils
normalize unicode in notebook API tests

was failing comparison on OS X
Merge pull request #5076 from ellisonbg/keyboard

Refactor keyboard handling
Merge pull request #5267 from minrk/normalize-paths

normalize unicode in notebook API tests