Rubygems.org: Sponsor logos aren't displaying properly

[joshuap]

It looks like the old /sponsors.png is being cached in production, so the sponsor logos aren't displaying correctly (the RubyCentral logo is duplicated at the end):

Two potential fixes:

1. Invalidate the CDN cache for /sponsors.png, if possible
2. Add a cache buster to the sprite in the CSS:
   background-image: url(/sponsors.png?v2);

@dwradcliffe @colby-swandale do either of these work? I'll send a PR for 2) just in case.

[colby-swandale]

@joshuap we're looking into purging sponsors.png from the fastly cache

[dwradcliffe]

I've purged the URL, and it looks correct to me. It might take a little bit to clear out of browser caches but I don't think it will be long. Thanks @joshuap for noticing!