[tryton-commits] changeset in modules/project_plan:6.4 Create branch 6.4 [skip ci]

[Cédric Krier]

changeset 4778b2139ccf in modules/project_plan:6.4
details: 
https://hg.tryton.org/modules/project_plan?cmd=changeset&node=4778b2139ccf
description:
        Create branch 6.4 [skip ci]