Added description for 'docker run' command, -c/--cpu-shares flag

Signed-off-by: Shishir Mahajan <shishir.mahajan@redhat.com>
Merge pull request #9318 from shishir-a412ed/doc-cpu-share

Enhanced description for 'docker run' command, -c/--cpu-shares flag
Use Set for stderr "logs" job in builder

Because engine implicitly adds his stder to job stderr

Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
Merge pull request #9588 from LK4D4/remove_stderr_from_build

Use Set for stderr "logs" job in builder
Merge remote-tracking branch 'origin/master' into bump_v1.4.0

* origin/master: (547 commits)
  Use Set for stderr "logs" job in builder
  Forbid client piping to tty enabled container
  Add test for exec tty stdin close
  User should get error message on wrong config closes #9501
  Added description for 'docker run' command, -c/--cpu-shares flag
  Flush stdin from within chroot archive
  Running a container that links to a container with --net host should throw an error.
  docs: use systemd drop-ins instead of copying
  docs: remove a trailing whitespace
  docs: docker.service not services
  Removed race condition If two interrupts were fired really quickly interruptCount could have been incremented twice before the LoadUint32 making cleanup not being called at all.
  Fix chroot untar for zero padded archive from slow reader
  LXC CAP ADD CAP DROP IN TEMPLATE
  Return docker's root dir in docker -D info
  I was talking to someone whom i listen to, and she noted that our docs don't mention the license
  Add a fuse example, combining both SYS_ADMIN and --device
  add --cap-add=NET_ADMIN to make a new network device
  Show image of the Build trigger screen, and add a little search engine fodder for it.
  Add some extra details to webhook docs
  this v spacing irritated me while i was reading
  ...

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
Bump version to v1.4.0

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)