Remove shmdrv udev rules from kthread module packages

Don't install shmdrv.rules from kthread module packages.  Apparently
Debian doesn't allow co-ownership of a single file between packages.

Reverses part of a commit in #251.
Fix packaging `clean` target

- Be sure debian/configure is run before build
  - This goof got me in trouble over #251
Merge pull request #253 from zultron/system-config-fixes

System config fixes