Just use git clone to update the subtrees from git repositories.

Author Pascal J. Bourguignon <pjb@informatimago.com>
Author date 2016-08-20 19:39:07
Author local date 2016-08-20 21:39:07 +0200
Committer Pascal J. Bourguignon <pjb@informatimago.com>
Committer date 2016-08-20 19:39:07
Committer local date 2016-08-20 21:39:07 +0200
Commit a9912fdb579ce879bf99d23a45058102886747f8
Tree 7c9a86f6c917c308683fe35066bcd3cc078c05aa
Parent 9ad41064c181896acc1bd6cd84b450c0a0422e4d
Just use git clone to update the subtrees from git repositories.
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