README.md: use https for URLs, except for sgnlr.com where it doesn't work
authorAntonio Ospite <ao2@ao2.it>
Fri, 24 Aug 2018 15:44:57 +0000 (17:44 +0200)
committerAntonio Ospite <ao2@ao2.it>
Fri, 24 Aug 2018 15:44:57 +0000 (17:44 +0200)

No differences found