Install roles under /usr/local/share/kubespray/roles,
playbooks - /usr/local/share/kubespray/playbooks/,
ansible.cfg and inventory group vars - into /etc/kubespray.
Ship README and an example inventory as the package docs.
Update the ansible.cfg to consume the roles from the given path,
including virtualenvs prefix, if defined.

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>

- Starting from version 2.0 ansible has 'callback_whitelist =
  profile_tasks'. It allows to analyze CI to find some time regressions.
- Add skippy to CI's ansible.cfg

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>

It removes the teal lines when a host is skipped for a task. This makes the output less spammy and much easier to read. Empty TASK blocks are still included in the output, but that's ok.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>