Add mongo requirement.
How to expose ports for an application.
Need to mention all nodes to ensure flocker-deploy communicates with all
of them.
Ports are accessible regardless of node.
Data doesn't move with the application by default.
Address review comments: Phrasing improvements.
Address review comments Add requirement for mentioning all nodes to where it is first applicable.
Address review comment: Better explanation of why we're talking about data not being moved.
New installation document.
Actual script that installs flocker, and demonstrate how to use
flocker-deploy after installation.
Explain how to run the script.
Link to issue to switch to real URL, and switch to a URL that will work for now for testing purposes.
Address review comment: Remove reference to piping curl to shell.
Address review comment: more portable way of setting $PATH.
Address review comment: no need to install python-pip.
Address review comments: Documentation tweaks.
Address review comment: Explain why we need newer pip.
Address review comment: More documentation links in README.
Merge pull request #349 from ClusterHQ/ubuntu-install-86

Ubuntu install documentation.

Fixes #86.
Address review comment: Remove demonstration that data doesn't move without volumes.