Author: eile
Revision Date: 2011-11-10 13:24:03 UTC

RSP: Fix scattered ack implementation:
- Actually use *self* not *sender* ID to determine when to send acks,
  otherwise all receiver will ack at the same time
- Fix sliding ack to advance to lowest acknowledge by all receivers, was
  hidden by previous bug

[ ] May break build
[ ] May break existing applications (see CHANGES.txt)
[x] Bugfix
[ ] New Feature
[ ] Cleanup
[ ] Optimization
[ ] Documentation