Improvie Heartbeat API docs
[bug 1052460] Add heartbeat view

* add analyzer_hb view
* show all enabled heartbeat polls
* show most recent 100 items of hb data
[bug 1052460] Add missing template
[bug 1015788] Cosmetic: flake8 fixes (analytics)
[bug 1015788] Cosmetic: flake8 fixes (base)
[bug 1015788] Cosmetic: flake8 fixes (feedback)
[bug 1015788] Cosmetic: flake8 fixes (heartbeat)
Add anonymize script

This reduces the PII in a local database, but probably doesn't eliminate
it. This does **not** make a database ready for public use. It does
reduce the amount of PII from a copied db.
Add a Products View

Includes updates urls, a new form, template and a class based view.

Conflicts:
	fjord/analytics/urls.py
Refactoring: remove comment, reorder imports

Small changes based on Will's suggestions.
Refactoring: rename variable, make logic readable

Small changes based on Will's suggestions.
Refactor: Change indentation.
Restrict access to this page to analyzers
Fix merge conflicts
Refactoring: rename variable, make logic readable

Small changes based on Will's suggestions.
Refactor: Change indentation.
Move the products from views to analyzer views
Add css to make the add products view prettier
Add a link to the add products page

The link is placed on the analyzers' dash.
Add a name for the add products url