erasure-code: update jerasure v2 submodule

to include the latest compilation warning fixes.

Signed-off-by: Loic Dachary <loic@dachary.org>
erasure-code: update gf-complete v1 submodule

Point to https://bitbucket.org/dachary/gf-complete/branch/v1 which
aggregates the pending pull requests required by Ceph while they are
reviewed.

Signed-off-by: Loic Dachary <loic@dachary.org>
Merge pull request #1488 from dachary/wip-jerasure-2

erasure-code: update jerasure v2 submodule

Reviewed-by: Christophe Courtaut <christophe.courtaut@gmail.com>