fixed broken external links, imported some Hg repositories of inactive projects to Git

games/pang_zero.md

@@ -2,12 +2,12 @@
 
 _Reimplementation and extension of an old arcade game, Super Pang._
 
-- Home: https://sourceforge.net/projects/pangzero/, https://apocalypse.rulez.org/kozos/UpiPangBlog (Hungarian)
+- Home: https://sourceforge.net/projects/pangzero/, https://apocalypse.rulez.org/kozos/UpiPangBlog (Hungarian), https://web.archive.org/web/20181023103453/https://apocalypse.rulez.org/pangzero
 - State: beta, inactive since 2007
 - Download: https://sourceforge.net/projects/pangzero/files/
 - Platform: Linux
 - Keywords: action, arcade, remake
-- Code repository: http://pangzero.cvs.sourceforge.net (cvs, and also downloads)
+- Code repository: https://gitlab.com/osgames/pangzero.git (conversion of cvs), http://pangzero.cvs.sourceforge.net (cvs, and also downloads)
 - Code language: Perl
 - Code license: GPL-2.0
 - Code dependencies: SDL