murano-metadataclient removed

Package murano-metadataclient is obsolete and was removed.

It was needed to interact with murano-repository component.
However, murano-repository was integrated into murano-api (see blueprint
https://blueprints.launchpad.net/murano/+spec/repository-reorganization).

Now murano-api API is used to interact with what was called murano-repository.
murano-repository removed

Package murano-repository is obsolete and was removed.

Its functionality was merged into murano-api repository (see blueprint
https://blueprints.launchpad.net/murano/+spec/repository-reorganization)
murano-conductor removed

Package murano-conductor is obsolete and was removed.

Its functionality was merged into murano-api (see blueprint
https://blueprints.launchpad.net/murano/+spec/repository-reorganization)
murano-api manifests updated

Manifests to install murano-api updated to reflect latest changes.

+ indentation fixes
+ variables names updated
murano-engine service added

murano-engine (former murano-conductor) is now a part of murano-api
package. Both services murano-api and murano-engine share the same
configuration files: murano-api.conf and murano-api-paste.ini.

So as soon as murano-api package is installed, service murano-engine
is available and the only thing that is requires is to start the service.
murano-dashboard manifests updated

* murano_dashboard_deps are not required as all dependencies
  *must* be included in packages.
* config options added for Murano's modify-config script.
* code style.