dotcloud/docker — pull request #4189 by vbatts (2014-02-17 21:57:05+00:00)
Title: execdriver flag for docker daemon

like the storage-driver flag, this implements a flag for choosing the
execdriver to be used, defaulting to lxc.

as referred to from #4184 and #3745

Docker-DCO-1.1-Signed-off-by: Vincent Batts (github: vbatts)