gnu: Use HTTPS for all sourceforge.net home pages.

* gnu/packages/admin.scm (mingetty, clusterssh)[home-page]: Use HTTPS.
* gnu/packages/audio.scm (libbs2b, soxr)[home-page]: Likewise.
* gnu/packages/bioinformatics.scm (bless)[home-page]: Likewise.
* gnu/packages/display-managers.scm (slim)[home-page]: Likewise.
* gnu/packages/games.scm (extremetuxracer)[home-page]: Likewise.
* gnu/packages/ghostscript.scm (gs-fonts)[home-page]: Likewise.
* gnu/packages/haskell.scm (ghc-regex-base, ghc-regex-posix,
ghc-regex-compat)[home-page]: Likewise.
* gnu/packages/image.scm (imlib2)[home-page]: Likewise.
* gnu/packages/libreoffice.scm (librevenge, libcmis, libodfgen, libmwaw)
[home-page]: Likewise.
* gnu/packages/linux.scm (hdparm, acpid, libavc1394, rng-tools)
[home-page]: Likewise.
* gnu/packages/mail.scm (esmtp)[home-page]: Likewise.
* gnu/packages/mp3.scm (ripperx)[home-page]: Likewise.
* gnu/packages/onc-rpc.scm (libtirpc)[home-page]: Likewise.
* gnu/packages/perl.scm (perl-czplib)[home-page]: Likewise.
* gnu/packages/python.scm (python-pyasn1-modules)[home-page]: Likewise.
* gnu/packages/xdisorg.scm (xosd)[home-page]: Likewise.

gnu: Add perl-cddb-get.

* gnu/packages/perl.scm (perl-cddb-get): New variable.

Merge branch 'master' into staging

gnu: perl-namespace-autoclean: Update to 0.28.

* gnu/packages/perl.scm (perl-namespace-autoclean): Update to 0.28.

gnu: perl-class-method-modifiers: Update to 2.12.

* gnu/packages/perl.scm (perl-class-method-modifiers): Update to 2.12.

Merge branch 'master' into staging

Merge branch 'master' into python-build-system

gnu: perl-unicode-linebreak: Update to 2016.003.

* gnu/packages/perl.scm (perl-unicode-linebreak): Update to 2016.003.

gnu: Add perl-unicode-collate.

* gnu/packages/perl.scm (perl-unicode-collate): New variable.

gnu: Add perl-unicode-normalize.

* gnu/packages/perl.scm (perl-unicode-normalize): New variable.

gnu: Add perl-text-roman.

* gnu/packages/perl.scm (perl-text-roman): New variable.

gnu: Add perl-text-csv-xs.

* gnu/packages/perl.scm (perl-text-csv-xs): New variable.

gnu: Add perl-sort-key.

* gnu/packages/perl.scm (perl-sort-key): New variable.

gnu: Add perl-mozilla-ca.

* gnu/packages/perl.scm (perl-mozilla-ca): New variable.

gnu: Add perl-lingua-translit.

* gnu/packages/perl.scm (perl-lingua-translit): New variable.

gnu: Add perl-ipc-cmd.

* gnu/packages/perl.scm (perl-ipc-cmd): New variable.

gnu: Add perl-extutils-libbuilder.

* gnu/packages/perl.scm (perl-extutils-libbuilder): New variable.

gnu: Add perl-encode-hanextra.

* gnu/packages/perl.scm (perl-encode-hanextra): New variable.

gnu: Add perl-encode-jis2k.

* gnu/packages/perl.scm (perl-encode-jis2k): New variable.

gnu: Add perl-encode-eucjpascii.

* gnu/packages/perl.scm (perl-encode-eucjpascii): New variable.