[bug 1011039] Update selenium to 2.41

This fixes SeleniumTestCase and also reduces the amount of time it takes
to run tests. FLAWLESS VICTORY!
[bug 967419] Use display names in emails
Update view_all.html

fix a typo
[bug 1008667] Updates to Get Involved wording.

Update get-involved.html
Update get-involved-questions.html
Update get-involved-l10n.html
[bug 1006493] Index contribution data in ES.

This creates a new ES index for just metricsy things.

New mapping types for models that map to contributions:
* Answer (Support Forum contribution)
* Revision (KB and L10n contributions)
* Reply (Army of Awesome contribution)
tests
FEEDBACK!!!!!!!!!