closes #8060

and replace it with our own Gem cache. This isn't pretty, as we have to manage that one ourselves, and pushing updates requires a core-team member, but rails-assets.org has become way too unreliable for us to be a viable option.

closes #8087

[ci skip]

closes #8058

closes #8064

closes #8049

This should fix undefined method `og' for #<OpenGraphReader::Base:0x00007f73c53f2308 @bases={}>
for sites that have OpenGraph tags of other namespaces but no actual OpenGraph core tags

Version 2.4.0 was yanked ... why do people do such things? m(

https://github.com/thekompanee/fuubar/issues/111

fixes #8043

closes #8044

Only delete photos older than a day, so we don't delete photos for posts
which were uploaded 10 minutes ago and the author is still writing the
post for it.

closes #8041

closes #8042