Add links to dev tools
Add get port mapping
Update README.md

```
Warning: '-rm' is deprecated, it will be replaced by '--rm' soon. See usage.
```
Merge pull request #5 from nelsonjchen/patch-1

Update README.md
Add an explanation of volumes and state.
Merge pull request #4 from playerwtf/get-port

Add get port mapping
Added Shipyard #6
Merge pull request #7 from h4cc/patch-1

Added Shipyard #6
Typo on Prerequisites
Added docker create to lifecycle
Merge pull request #10 from vdemario/patch-2

Added docker create to lifecycle
Merge pull request #9 from vdemario/patch-1

Typo on Prerequisites
Fix link to prerequisites.
Update README.md
Remove closed issue.
Update the language of Why
Update README.md
Add volumes link.
Entering container using docker-exec, usable from docker version 1.3
Merge pull request #11 from afolarin/master

Entering container using docker-exec, usable from docker version 1.3