Another variation of the dashboard page title.
Cleaning up JS tests controller.
FF Fix: missing scrollbars on inner_cells
fab css
Addressing review comments.

* list_dirs and get_dir_model added to base NBM class.
* Calling of list_dirs moved to handler.
* type=notebook added to notebook model.
don't strip '.ipynb' from notebook names in nblist

The only place the extension is not wanted is editing a name during upload.
Everywhere else, it's actually wanted.
FF Fix: make ext icon same line as txt
fab css
Creating and testing IPython.html.utils.is_hidden.
Merge pull request #12 from minrk/ipynb

don't strip '.ipynb' from notebook names in nblist
Merge pull request #5036 from jdfreder/ff-exticon

FF Fix: ext link icon same line as link text in help menu
Breadcrumb home icon.
404 for hidden files to not revleal their existence.
Fixing test_files tests.
Polishing some docs
Update Windows HOME location for current Windows
Remove duplicated Channel ABC classes.

These were moved to IPython.kernel.channelsabc, but the old copies were
retained somehow.

Should we import them back into managerabc for backwards compatibility
if third party code has imported them from there? It seems unlikely that
they'd be used outside our codebase.
Merge pull request #5042 from takluyver/remove-channelabc-duplicates

Remove duplicated Channel ABC classes.
Small refactoring of is_hidden to take root as default kwarg.
Fix spelling mistake in is_hidden docstring.