Pontoon: Update German (de) localization of AMO Localization authors: - Michael Köhler <michael.koehler1@gmx.de>

Merge pull request mozilla#4142 from jasonthomas/docker-build-fix Fix Dockerfile (disable yum updates and compile locale)

Improve bulk validation results and handling. (mozilla#4090) * Improve bulk validation results and handling. * Show explicitly all regex matches (shows a hash of the message instead of testcases_regex.generic._generated) * Shows a link to the validation results Fixes #4089 * Fix flake8

Update syntaxhighligher 

Compile locales Not strictly needed for deploys nowadays but needed to make sure tests are using the latest locales.

Compile locales 

Pontoon: Update Czech (cs) localization of AMO Localization authors: - Tomáš Zelina <zelitomas@gmail.com>

Downgrade celery and dependend libraries (billiard, kombu). This might be related to an exception we started to see on production: File "/usr/lib64/python2.7/site-packages/billiard/pool.py", line 1626, in _terminate_pool :/usr/lib/python2.7/site-packages/celery/utils/log.py:282 ... (no full traceback available unfortunately) Also, I noticed that I didn't see the requirement of celery for billiard> 3.3, <3.4 so let's downgrade for now and be more careful next time.

Fixes for Consent page for Shield study 7 - Activity Stream (mozilla#… …3963) * Fixes for Consent page for Shield study 7 - Activity Stream - these changes reflect changes in master document over here: https://docs.google.com/document/d/1CmUCh_96b4idf8X4yfXn-BT7P47TRSAevy4s4YdFapQ/edit# * Changing wording of Data Events github link @muffinresearch

Remove remaining password support, drop confirmationcode (mozilla#3866) Fixes #3746