[bug 1081411] Create format test

Created a test in test_fjord_utils.js for the format function that is in fjord_utils.js
Add template for mentored bugs
Cosmetic: Move footnote
Tweak triaging docs
Merge pull request #370 from aokoye/1081411-format_test

[bug 1081411] Create format test
[bug 1080816] Add A/B for ditching chart

* this adds a "ditchchart" waffle flag that lets us switch back and
  forth between the front page dashboard with the chart and the one
  without
Merge pull request #371 from willkg/1080816-ditch-chart

[bug 1080816] Add A/B for ditching chart
Add notes about running tests with additional warnings

This will help us pick up 2to3 issues, tab issues and deprecation
warnings. Knowing about and fixing these makes upgrading to new
versions of things easier.
Fix mimetype -> content_type and int division issue

* Django deprecated mimetype in favor of content_type, so I fixed that
* we had one case of int division which I changed to be explicitly
  int division using //
[bug 1089650] Add a contribute.json file

Instead of asking all the usual questions like "Where is the code?",
"Where is the staging server?", "Do we have a mailing list?" you can
simply look all this up in the /contribute.json file.
Merge pull request #372 from willkg/code-cleanup

Code cleanup
Fix line wrapping in Gengo warning emails

The Gengo warning emails were running the text through textwrap.wrap
which ditches all the newlines before wrapping. This fixes that by
creating a wrap_with_paragraphs utility function that keeps the
intended paragraphs intact.
Fix subject line for gengo warning emails
[bug 1089650] Add test to verify that the JSON is valid

A test now checks if contribute.json is valid JSON.
Merge new code from master
Merge pull request #373 from bkowshik/master

[bug 1089650] Add a contribute.json file
Add Bhargav Kowshik to CONTRIBUTORS
Fix throttle test

This fixes the throttle test so that it clears the cache before running
the test and also pauses between HTTP requests. This reduces the
likelihood that it bumps into submitted responses from other tests. The
slight pause makes it pass consistently on my local machine.

Added a FIXME to look into the "pause" thing further because that's
total goofipants.
[bug 1072285] Update Django, django-nose and django-cache-machine

* update Django to 1.6.8
* update django-nose to latest in master because they don't like doing
  releases (b81f847)
* update django-cache-machine to latest in master because they don't
  like doing releases (f827f05)
[bug 1072285] Update django-adminplus

v0.3 of django-adminplus has fixes in it for Django 1.6, so this is
required.