actually use new tornado_settings

instead of deprecated webapp_settings
Fix typo
Merge pull request #6453 from takluyver/atomic-save-copystat

Copy file metadata in atomic save
Merge pull request #6513 from minrk/finish-deprecating-tornado-settings

actually use tornado_settings
Fix for copying metadata flags
Merge pull request #6514 from takluyver/atomic-writing-chflags-fix

Fix for copying metadata flags
Merge pull request #6497 from SylvainCorlay/_ws_opened

status_started.Kernel was never triggered
s/choose/manual/g
Merge pull request #6512 from Carreau/fix-6417

Fix font-awesome icons in examples notebook
state_lock loop
avoid copious warnings in interact tests

comm was mocked out, but in a way that makes traitlets complain
Merge pull request #6495 from Carreau/expandpath

Expand user home path in template search path.
Merge pull request #6463 from SylvainCorlay/bulk_update

Bulk update of widget attributes
Cleaned up hbox and vbox widget div styles,
removed 5px margin
Fix mailmap entries for @jasongrout and @SylvainCorlay
fab css
Remove forgotten hreadout
fab css
Merge pull request #6487 from minrk/md2md-nowrap

Don't rewrap markdown input in markdown output
Merge pull request #5844 from jdfreder/scrollmanager

'Paul' scroll feature