* 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
execline: 2.1.4.5 -> 2.2.0.0
s6-dns: 2.0.0.7 -> 2.1.0.0
s6-linux-utils: 2.0.2.3 -> 2.2.0.0
s6-networking: 2.1.0.4 -> 2.2.1.0
s6-portable-utils: 2.1.0.0 -> 2.1.0.0 (no version change)
s6-rc: 0.0.2.1 -> 0.1.0.0
s6: 2.2.4.3 -> 2.4.0.0
skalibs: 2.3.9.0 -> 2.4.0.1
Also use new --enable-absolute-paths configure arg to correctly set
paths to runtime executables to point within the nix store rather than
relying on PATH resolution.
The website gives no indication that version 4.x is required to build
this package, and even it if were, then there should be an override in
all-packages.nix instead of referring to the 'gnumake40' attribute
directly in this expression.
New build system using configure script and GNU Make 4.0, and new
releases of the following using the new build system:
execline 2.0.0.0
s6 2.0.0.0
s6-dns 2.0.0.0
s6-linux-utils 2.0.0.0
s6-networking 2.0.0.0
s6-portable-utils 2.0.0.0
skalibs 2.0.0.0
