[gnu] externals/futur updated (cbdb00b990 -> b45f7f6448)

[Stefan Monnier via]

monnier pushed a change to branch externals/futur.

      from  cbdb00b990 futur-tests.el: Fix copyright line
       new  d9fdf794be Improve doc, provide `make test` target
       new  b45f7f6448 futur.el: Bump version to make a first release


Summary of changes:
 Makefile       |   7 +++
 futur-tests.el |  13 ++--
 futur.el       | 194 +++++++++++++++++++++++++++++++++++++++++----------------
 3 files changed, 154 insertions(+), 60 deletions(-)
 create mode 100644 Makefile