Bug 946845 - cache api endpoints

Front-end cache URLs on -dev/-altdev for homepage/category/app detail API endpoints
nginx:marketplace: add feed branch (bug 963110).
marketplace: revert feed.
outgoing_redirector: initial commit.
outgoing_redirector: include init class.
outgoing_redirector: add nginx config.
outgoing: update proxy port.
retab(sentry)
feat(olympia): add admin definition
fix(olympia): create_resources typo
fix(supervisord): -Pzo breaks grep
feat(olympia): add deploysettings
fix(monolith_aggregator): correct escaping
fix(olympia): typo
fix(olympia): add deploysettings template
fix(olympia): add pyrepo
feat(olympia): add web configs
feat(olympia/web): pass through nginx settings
fix(olympia/web_instance): take a full port
fix(olympia/web): hash keys must be quoted