master updated (e019cb5e -> 22a7e547)

[Ileana Dumitrescu]

ildumi pushed a change to branch master.

    from e019cb5e bootstrap: Update submodule to recent commit
     new 1354176b version 2.5.1
     new 22a7e547 maint: post-release administrivia


Summary of changes:
 .prev-version | 2 +-
 NEWS          | 3 +++
 cfg.mk        | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)