Added to small patch exemption to cover Markdown/syntax errors in documentation

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
add test

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
ignore lchown error on docker cp

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
use buffered channel so goroutine does not get blocked on done <- true when a timeout occurs.

Docker-DCO-1.1-Signed-off-by: Anandkumar Patel <anandkumarpatel@gmail.com> (github: anandkumarpatel)
Merge pull request #5765 from jamtur01/contribf

Added to small patch exemption to cover Markdown/syntax errors
Merge pull request #5954 from vieux/fix_cp_error

Ignore lchown error on docker cp
Fixes some docs issues with using single-dash arguments where they should be double

I found a bunch of issues where we have "-<opt>" instead of "--<opt>".
Also a couple of other issues, like "-notrunc", which is now "--no-trunc"
Fixes #5963

Docker-DCO-1.1-Signed-off-by: Brian Goff <cpuguy83@gmail.com> (github: cpuguy83)
Merge pull request #5955 from anandkumarpatel/5923-fix-leaking-go-routine

5923-fix-leaking-go-routine
Merge pull request #5965 from cpuguy83/5963-fix-single-dash-in-working-with-volumes

Fixes some docs issues with using single-dash arguments where they should be double
remove chmod 755: fixes #5941

Docker-DCO-1.1-Signed-off-by: Tibor Vass <teabee89@gmail.com> (github: tiborvass)
for perms checking tests, create files from Go and remove them from git

Docker-DCO-1.1-Signed-off-by: Tibor Vass <teabee89@gmail.com> (github: tiborvass)