I tried just install chai-enzyme, but I got all kinds of peer dependency
version complaints. So I just went ahead and updated various
libraries. Most of them were minor version updates, except for chai
which went from version 1.x to 3.x

Test > Levelbuilder

The new version of react started complaining about this with a warning,
and react prop warnings are now turned into failures in our integration
tests. Fixing this the "react way" is to use the object spread operator,
which isn't officially a part of the es6 spec. But everyone just uses
the corresponding babel transform plugin.

Upgrade some libraries and install chai-enzyme

implement add / rename / delete column in data browser [axot: 51]

Conflicts:
	apps/src/code-studio/components/progress/course_progress_row.jsx

There was a display bug when toggling whether succeeded tests were visible; after being hidden and shown again, successful test result columns did not align with failures.  This is because 'inherit' is not the right display style for a <tr> element; should use `display: table-row` instead.

When we switched to automagically importing test locales, we
inadvertantly broke the storybook. This fixes it by just having a
separate webpack config for storybook and karma.

I also went ahead and upgraded storybook, which fixes a couple bugs we
were encountering.

Ui test page improvements

…nings

Fix storybook webpack config

…taging

Levelbuilder > Staging

Blue box for lesson plan links

copy updates to widgets page

enable unusedBlocks everywhere

Add simple "repeat n times" blocks to playlab toolbox toolbox