gnu: Split (gnu packages base), adding (gnu packages commencement).
* gnu/packages/base.scm (gnu-make-boot0, diffutils-boot0,
findutils-boot0, %boot0-inputs, nix-system->gnu-triplet, boot-triplet,
binutils-boot0, gcc-boot0, perl-boot0, linux-libre-headers-boot0,
texinfo-boot0, %boot1-inputs, glibc-final-with-bootstrap-bash,
cross-gcc-wrapper, static-bash-for-glibc, glibc-final,
gcc-boot0-wrapped, %boot2-inputs, binutils-final, libstdc++,
gcc-final, ld-wrapper-boot3, %boot3-inputs, bash-final, %boot4-inputs,
guile-final, gnu-make-final, ld-wrapper, coreutils-final, grep-final,
%boot5-inputs, %final-inputs, canonical-package, gcc-toolchain,
gcc-toolchain-4.8, gcc-toolchain-4.9): Move to...
* gnu/packages/commencement.scm: ... here. New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* build-aux/check-final-inputs-self-contained.scm: Adjust accordingly.
* gnu/packages/cross-base.scm: Likewise.
* gnu/packages/make-bootstrap.scm: Likewise.
* guix/build-system/cmake.scm (cmake-build): Likewise.
* guix/build-system/gnu.scm (standard-packages, gnu-build,
gnu-cross-build): Likewise.
* guix/build-system/perl.scm (perl-build): Likewise.
* guix/build-system/python.scm (python-build): Likewise.
* guix/build-system/trivial.scm (guile-for-build): Likewise.
* guix/download.scm (url-fetch): Likewise.
* guix/gexp.scm (default-guile): Likewise.
* guix/git-download.scm (git-fetch): Likewise.
* guix/monads.scm (run-with-store): Likewise.
* guix/packages.scm (default-guile): Likewise.
* guix/scripts/package.scm (guix-package): Likewise.
* guix/scripts/refresh.scm: Likewise.
* guix/svn-download.scm (svn-fetch): Likewise.
* tests/builders.scm (%bootstrap-inputs, %bootstrap-search-paths):
Likewise.
* tests/packages.scm ("GNU Make, bootstrap"): Likewise.
* tests/guix-package.sh: Likewise.
* gnu/services/base.scm: Use 'canonical-package' instead of xxx-final.
* gnu/services/xorg.scm: Likewise.
* gnu/system/vm.scm: Likewise.
* guix/scripts/pull.scm (guix-pull): Likewise.
bdb36958fb