[bug 1103045] Create a menial hb survey view

This creates a really basic hb survey view so people can see which
surveys are live.
[bug 1097204] Rework product picker

* restyles the product picker to the new generic feedback form style
* fixes the product cards so they show backgrounds using images
  set in the db
* adds a set of base images for currently supported products
* update smoketest
[bug 1097203] Add link to SUMO

Uses utm_source=input and utm_campaign=thankyou so we can track metrics.
Merge pull request #394 from willkg/1097203-sumo-link

[bug 1097203] Add link to SUMO
Merge pull request #392 from willkg/1103045-hb-survey-view

[bug 1103045] Create a menial hb survey view
Merge pull request #393 from willkg/1097204-redo-picker

[bug 1097204] Rework product picker
[bug 1093843] Increase length of product fields

20 was too small and we started hitting issues. 50 gives us room to grow.
Merge pull request #395 from willkg/1093843-fix-fields

[bug 1093843] Increase length of product fields