Fixed fontsize issue and added missing require and jquery from cdn.
fix minor bugs in export as (nbconvert) example
Update Export As (nbconvert).ipynb
check explicitly for 'dev' before adding the note to docs

allows 'maint' suffix (or similar) for the maintenance branches,
so they don't get the note on every page.
Merge pull request #5503 from minrk/dev-note

check explicitly for 'dev' before adding the note to docs
Start making backport_pr work on Python 3
fix typo
Merge pull request #5505 from takluyver/backport-pr-py3

Make backport_pr work on Python 3
Update tooltips to refer to shift-tab

Closes gh-5510
Merge pull request #5512 from takluyver/i5510

Update tooltips to refer to shift-tab
Move append_output animation height lock release into timeout.
Use .load() to resize
Try removing the callbacks
A couple of fixes,

- Fix missing `type` from png/jpeg check
- Don't resize on weird chr(13) stand alone stream msgs
Make sure to not call old load events
Cleanup
widget_selection update

Fix for the fact that dictionary randomization sometimes switches the order of the arguments passed to the class on initialization.  This means that, potentially, 'value' can be updated BEFORE 'values', and since the method to update 'value' checks to see whether it exists in 'values', this breaks things.
Don't send \r characters in zmqshell clear_ourput
Make qtconsole aware of clear_output.
Update widget_selection.py