Initial outline of opencord integration repo

- Vagrantfile to support standardized 'corddev' development environment
- Ansible playbooks to properly bring up devenv
- Gradle build structure
- Gradle plugin to manage docker-based workflow (pull, build, run, tag,
  push, etc.)
- Gradle top-level build file to allow pre-fetching and publishing
  component docker images. Supported main tasks: fetch, publish
- Example to how to manage 'as-is' upstream components
- Added initial content to README.md
- Added initial content to docs/quickstart.md
- Updated .gitignore
- Placeholder, parametric entry for deploy step
- Placeholder deployment profile config file (config/default.yml)
diff --git a/ansible/roles/docker/files/docker.centos.repo b/ansible/roles/docker/files/docker.centos.repo
new file mode 100644
index 0000000..b472187
--- /dev/null
+++ b/ansible/roles/docker/files/docker.centos.repo
@@ -0,0 +1,6 @@
+[dockerrepo]
+name=Docker Repository
+baseurl=https://yum.dockerproject.org/repo/main/centos/7
+enabled=1
+gpgcheck=1
+gpgkey=https://yum.dockerproject.org/gpg
\ No newline at end of file