Added blazarnova as an alias package

Added blazarnova as an alias package of climatenova package.
With this alias is possible to rename imports in small patches
that address only one or few submodules.
This will help the review process.
Renamed some entries from climate to blazar in setup.cfg.

Change-Id: I41905b41547dfb3fba1307eee9e473be29d9d4ce
Partial-Bug: #1311747