Purge solar/resources as it is not used anymore in the installler.
Purge scripts/yamls used with the solar deployments as well.
Fix gitreview, gitignore, version, README.
Add doc8/doc toxes for future docs.
Change-Id: Iad418369229fd522588f6195605051daffb3dce2
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>