Add murano-dashboard to devstack

Install and configure murano-dashboard as part of devstack installation.

Change-Id: I26fddee75b63e4ff57154b1e2c786196f5d14eaf
Get rid of murano-common

This component is obsolete and should be removed.

Change-Id: I1f182a4a2595233f25fdfe8f352e6a27d48f7c3e
Merge "Add murano-dashboard to devstack"
Merge "Get rid of murano-common"