Add test for DisplayObject.__repr__
Test against object.__repr__, rather than hardcoded repr
Update notebook.rst

Updating broken reference to notebook examples 

Since the notebook directory doesn't contain a readme anymore, updating to point to the index notebook rendered via nbviewer
Update parallel_intro.rst

fixing broken link to examples directory and updating the github link to point to the nbviewer index page
Merge pull request #5693 from mohanraj-r/patch-2

Update parallel_intro.rst to fix a broken link to examples
Merge pull request #5692 from mohanraj-r/patch-1

Update notebook.rst fixing broken reference to notebook examples readme
Make sure to pass correct datatype to validate
Distinguish errors during read/write
Remove shebang line because module is no longer callable
Use dirname rather than split
Return the list of errors, rather than the number of errors
Merge pull request #5602 from jasongrout/kernel-js-post

Change $.post to this.post in the kernel js file
Limit latex equations to page width.
Traits allow none
Added tests
try..finally for tearing down test
Added test
Add support for PyQt5.
Fix non-ascii spaces in comment.

Closes gh-5697
Merge pull request #5648 from andrewjesaitis/ticket4756

Adds markdown formatting to output cells