Client: fix paths for non-transarc locations

* Fix the systemd unit so it uses the system paths instead of transarc
paths.
* Include the correct paths in the files section
* Define the cache directory in the client package
* Mark the CellServDB files as config files
Add Compatibility subpackages, transarc server and client subpackages

* Re-add the -compat subpackage from upstream
* Create two -transarc packages
** Client: contains /usr/vice/ symlinks
** Server: contains /usr/afs/ symlinks
Bump up to version 1.6.10, include volscan
Move kaserver man pages into server rpm