Commit from Mozilla Verbatim by user petercpg@mail.moztw.org.: 4925 of 4925 strings translated (0 fuzzy).
update readme
comm unsubscribe endpoint (bug 931226)
Merge pull request #1894 from ngokevin/communcc2

comm unsubscribe endpoint (bug 931226)
unrevert double check iarc pingbacks (bug 975200)

IARC GET_APP_INFO is fixed so this should be okay now
manage multiple payment accounts (bug 990441, 989946)
Merge pull request #1928 from mstriemer/multiple-add-payment-account-buttons-990441

Manage multiple payment accounts
drop foreign key constraint before its key