Limit latex equations to page width.
Fixed latex template to support multicol w/ adjustbox.
send idle/busy on all shell messages

Instead of just those that execute code.
This means that kernel_info_request triggers busy/idle,
allowing clients to check IOPub channel status without executing code.
Set axis background to transparent in inlinebackend

Fixes #5727, related to #4608
set busy/idle around every message

not just shell
Updated license to include CC BY 4.0 for documentation, examples, and other materials
Added examples to BSD, and added links to online versions of CC-BY
Moved the list of links of the CC-BY licenses below (I could not get RST to render correctly)
Update bundled copy of pexpect to 3.3

Closes gh-6086
Allow a widget to be displayed more than once within a parent widget.
Fixed buggy behavior
Add order respecting method
Bug fixes
Removed respect_order and finally removed the children dict of the containerview
Reverted strange change that I don't remember making to update method.
Review comments
Move displayed event to view.
Ahhh bug fix!
Check for pids when listing nbserver processes
Use check_pid from utils in IPython.parallel