Release/flocker 0.3.0dev1

Packages uploaded:
```
$ repoquery --location --repoid clusterhq --repofrompath clusterhq,http://archive.clusterhq.com/fedora/20/x86_64/ "*flocker*"
http://archive.clusterhq.com/fedora/20/x86_64/flocker-cli-0.3.0-0.dev.1.fc20.noarch.rpm
http://archive.clusterhq.com/fedora/20/x86_64/flocker-node-0.3.0-0.dev.1.fc20.noarch.rpm
http://archive.clusterhq.com/fedora/20/x86_64/python-flocker-0.3.0-0.dev.1.fc20.noarch.rpm
```
Docs: http://docs.clusterhq.com/en/0.3.0dev1
Homebrew Script: https://github.com/ClusterHQ/homebrew-tap/pull/11

Fixes #879