Changes:
* Update docs
* Update browser test artifacts
* Update comments
* Update phpunit test groups
* Update phpunit test namespace
* Update `die` when MobileFrontend not installed
* Remove the migrate script which is no longer needed
Change-Id: I83432b3f7f0bcd07ed08259972b8ff89147104b6
This is programmatic output from python3 scripts/migrate.py
This will result in a Minerva skin dependent on MobileFrontend.
Post merge we will rename message keys to have minerva- prefix
Bug: T166748
Change-Id: Iff1f7e63e796cc5d4a6d2ab0370e0c33248d2fce
Kunal Mehta
libraryupgrader
jdlrobson