* treewide: http -> https sources
This updates the source urls of all top-level packages from http to
https where possible.
* buildtorrent: fix url and tab -> spaces
...instead of mesa_noglu.out. Closures of systems remain unchanged,
as both are in (and the .out output is very small anyway).
This is to make sure that we use lib*GL* that aren't slowed down by grsecurity.