Merge pull request #650 from opdemand/fix-controller-make-test

Run django unit tests via 'make test'.
bump docker to v0.9.0
Added release instructions to create CHANGELOG.md files.
let each project manage how they build
Hide 'Versions' links unless at readthedocs.org, fixes #602.
Merge pull request #654 from opdemand/fix-docs-versions-link

Hide 'Versions' links unless at readthedocs.org, fixes #602.
Merge pull request #652 from opdemand/changelog-md

Added CHANGELOG.md creation process for releases.
Updated CLI binaries and links in client README.
Merge pull request #658 from opdemand/update-cli-binaries

Updated CLI binaries and links in client README.
Updated EC2 AMIs for v0.6.0 release.
Merge pull request #659 from opdemand/time-to-make-the-amis

Updated EC2 AMIs for v0.6.0 release.
make SSH key and host nodes dir available

The Vagrant provider requires an SSH key and the ability to read from a folder to get all nodes available in the cluster. Without it, it will fail to provision new nodes.
add empty host_nodes_dir
fix typo
Revert "add empty host_nodes_dir"

This reverts commit 99a43defd92f3f4cbab30a3a0a08c656622a11cc.
fix path issue
fix dop images function call
Merge pull request #662 from opdemand/fix-dop-images

LGTM.
Merge pull request #661 from opdemand/655-vagrant-nodes

make SSH key and host nodes dir available
Updated CHANGELOG.md.