Add tests for things in utils
Use print_function
use on-load event to trigger resizable images

instead of timeout, which could get incorrect size information.

closes #5219
Merge pull request #5223 from minrk/tiny-images

use on-load event to trigger resizable images
Don't allow edit mode up arrow to continue past index == 0
Check down too.
Get cell after first conditional
Merge pull request #5261 from jdfreder/more-dual-mode

Don't allow edit mode up arrow to continue past index == 0
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.
Missing class def for TimeoutError.
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
Adding comment about this fix.
Merge pull request #5076 from ellisonbg/keyboard

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

normalize unicode in notebook API tests