migrates services from amo to mkt
Merge pull request #2494 from eviljeff/mooramopart2

bug 1042820 - Migrate services from apps/amo to mkt
Updated prefetch-dns to use link tag
Revert "make zippy the default"

This reverts commit 8cf081ba73f83370753f263871bee1e98837e466.
Merge pull request #2505 from andymckay/revert

Revert "make zippy the default"
Allow devs to remove from Tarako marketplace (bug 1053230)