Change shared lib names to match Debian guidelines
Add relevant files
Add the transitional package again
Extend replaces to cover old packages
* Remove stale shlibs file
* Correctly account for the name transition in control
Change to use transitional packages instead
Replace/breaks old package
Correct the Replaces version
Merge trunk
Change package names to match sonames as per guidelines.

Approved by Ricardo Salveti, PS Jenkins bot, Didier Roche.