I've submitted this bug (T29488) with specific needs in mind. There is no way a know to:
- Load user scripts in the header to allow actually running their code BEFORE
the page starts to render (needed to inject CSS or faster adding of crucial
- Load user scripts in order (without the need of contacting administrators). ----
I'm not sure, but I think this probably means we need to provide a way to set "position = top" on user scripts. Maybe it is related to the need of creating modules fron wikipages (see T29281, T29561 and T27845), maybe not.