Merge pull request #22303 from sergi/BUG_1024893_v1.4

Bug 1024893 - [dolphin][v1.4]Entering settings app takes more than 2.2s - uplifting to 1.4 [r=yurenju] [r=arthurcc]
Conflicts:
	Makefile
Merge pull request #21960 from asutherland/email-cookie-cache-fix-v13t

Bug 1008859 - [email] on language change, cached card templates not updated. r=jrburke a=blocking-b2g=v1.3t+ a=bajaj a=wchang
Revert "Merge pull request #22274 from sfoster/bug-1038630-tutorial-redux"

This reverts commit 86aeccd8e150b98e2b30e532b55ff32cba7649ea.