Linking containers added to API example

Linking containers was not covered in the API documentation. I looked it up in the client source code and testing it manually.
Fix spelling and grammar errors; remove seemingly out-of-place words

Docker-DCO-1.1-Signed-off-by: AJ Bowen <aj@gandi.net> (github: soulshake)
Fixed headers and ' characters

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
docker-java has moved to new location
Merge pull request #6440 from marcuslinke/patch-1

docker-java has moved to new location
Merge pull request #6433 from soulshake/small-typos

Fix spelling and grammar errors; remove seemingly out-of-place words
Merge pull request #6378 from evanderkoogh/patch-1

Linking containers added to API example
Merge pull request #6437 from jamtur01/net

Fixed headers and ' characters