Various fixes & improvements
- Enable crons (#2712) by @hubertdeng123
- Parameterize backup restore script (#2412) by @hubertdeng123
- Run tests only on getsentry repository (#2681) by @aminvakil
- Tweak the template now that we can see it (#2670) by @chadwhitacre
- Nginx client request body is buffered to a temporary file (#2630) by @zKoz210