Added flag `--generic-engine-port` to `generic` drive in order to specify other port than `2376` on
Docker engine.
Updated `generic` driver documentation.
Signed-off-by: Tiago Pires <tandrepires@gmail.com>
Splitting out docs
Fixing location of help
entering in changes from testing
Filling in some missing structure
Updating with the comments from Nathan
Updating with the comments from Nathan
Updating after talk with Evan/Nathan
Signed-off-by: Mary Anthony <mary@docker.com>
