settings: remove settings_addons files
document the collections export (bug 1001112)
fix mistake
Commit from Mozilla Verbatim by user markh@babelzilla.org.: 3763 of 3763 strings translated (0 fuzzy).
Merge pull request #1973 from oremj/remove-addons-settings

settings: remove settings_addons files
Removed d2c code and unused services (bug 1005995)
Bumped up log level for monolith while we debug (bug 996723)
Merge pull request #2027 from mstriemer/collections-export-docs-1001112

document the collections export (bug 1001112)
Commit from Mozilla Verbatim by user kohei.yoshino@gmail.com.: 3415 of 3763 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user michael.koehler1@gmx.de.: 3763 of 3763 strings translated (0 fuzzy).
Updated to make blocklisted version manifests match (bug 984641)
get API_VERSION right no matter what (bug 1007226)
no more seller_uuid in jwts (bug 1006063)
More Danish strings localized
more time for long migration
Commit from Mozilla Verbatim by user steekid.: 3763 of 3763 strings translated (0 fuzzy).
Merge branch 'master' of ssh://github.com/mozilla/zamboni
Commit from Mozilla Verbatim by user jasnapaka@jasnapaka.com.: 3733 of 3763 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user jasnapaka@jasnapaka.com.: 3749 of 3763 strings translated (0 fuzzy).
Updated Vagrant install instructions on Windows.