Merge branch 'hfreyther/fixes/channel-release-handling'

The patches were posted to the ML but didn't receive review
there. At the time I merge the change I did a Location Updating
Request and the channel was released in a successful way.
tree: 31b845b6634fabb7e5f4201f9aaa69f3dee48d8e
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. README