Use HTTPS for lilypond.org throughout

Use HTTPS for lilypond.org throughout

[hanwenn, 2020-04-26 08:42:33]

commit 7073ab2d033f82eb797d6fcefd3cd18c98fb3d63
Author: Han-Wen Nienhuys <hanwen@lilypond.org>
Date:   Fri Apr 3 23:10:17 2020 +0200

    Use HTTPS for lilypond.org throughout
    
    https://sourceforge.net/p/testlilyissues/issues/5877
    http://codereview.appspot.com/575950043

[mark_opus11.net, 2020-04-26 10:50:13]

URLs using www have escaped this update:

$ ag http://www\.lilypond\.org
Documentation/po/pt.po
11750:"see also
http://www.lilypond.org/doc/v2.18/Documentation/snippets/tweaks-and-"
14090:"see also
http://www.lilypond.org/doc/v2.18/Documentation/notation/repeats"

Documentation/ly-examples/bach-bwv610.ly
41:   \concat{"Typeset using " \with-url "http://www.lilypond.org" "LilyPond" "
©2006 by " \maintainer "." }

Documentation/snippets/repeats-headword.ly
20:%% see also http://www.lilypond.org/doc/v2.18/Documentation/notation/repeats

Documentation/snippets/displaying-grob-ancestry.ly
65:%% see also
http://www.lilypond.org/doc/v2.18/Documentation/snippets/tweaks-and-overrides...

ROADMAP
3:    http://www.lilypond.org

scripts/build/website_post.py
134:    browser_language_url =
"http://www.lilypond.org/website/misc/browser-language"

python/auxiliar/postprocess_html.py
76:browser_language_url =
"http://www.lilypond.org/website/misc/browser-language"

https://codereview.appspot.com/575950043/diff/553820044/python/auxiliar/postp...
File python/auxiliar/postprocess_html.py (right):

https://codereview.appspot.com/575950043/diff/553820044/python/auxiliar/postp...
python/auxiliar/postprocess_html.py:76: browser_language_url =
"http://www.lilypond.org/website/misc/browser-language"
This one seems to have escaped? Maybe others using www.