Be consistent about libtrust import path.

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
cleanup: remove startCommand function, only used once, and
unecessary abstraction.

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

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

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
Run 'go vet' on integration-cli.

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
Fix output format where no variable specified in mount pkg

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
Merge pull request #9494 from jfrazelle/cleanup

Cleanup unnecessary abstractions in integration-cli
Use consistent ApplyLayer in overlayfs

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Merge pull request #9510 from crosbymichael/chrootarchive

Use consistent ApplyLayer in overlayfs