Add log_file: - to development.ini
Add reload and graceful timeout to development.ini
Add notfound.pt template and setup 404 exception view
Add search form to 404 template.
Bump session timeout to one week
Edit copy, remove branding.
Update CONTRIBUTING.rst
Update CONTRIBUTING.rst
Update CONTRIBUTING.rst
Add comment. Make generic link to homepage in header.pt.
Finish application setup when not logged in

Since the change to the stateless identity API we have not been
finishing the initialization when the user is not logged in.
Merge pull request #1582 from hypothesis/add-404-page

Add 404 page
Use base_url from renderer globals in header a img
Bump pyramid_webassets dependency
Quick hack around IE bug
Update permissions plugin

Now allows permissions rules to be provided in the
beforeAnnotationCreated hook.
Stupid toolbar CSS

Is bad. And IE doesn't like "initial".
Default all replies to Public

This fixes the annoying issue with replies defaulting to private
all the time.
Merge pull request #1584 from hypothesis/public-replies

Make replies public by default
Disable real-time updates for the moment

Close hypothesis/vision#96