Updated Redis service example to use links
Removed redundant linking example
Add -p when running the container

Without it, docker was not mapping/exposing the private port

Docker version 0.6.5, build 3ff8459
Merge pull request #2567 from mck-/patch-1

Add -p when running the container (node example)
Merge pull request #2557 from jamtur01/new_redis

Updated Redis service example to use links. Removed "Linking Redis" example as redundant.
updated create, showing how to set expose port and bind to public port for ssh
Fix bold