Updated lock/ack comments
Merge branch 'master' of github.com:reverbrain/elliptics
Merge branch 'master' of github.com:reverbrain/elliptics
Merge branch 'master' of github.com:reverbrain/elliptics
Revert "v2.25.1.0"

This reverts commit 3f67f5fcd894a13cc187ec73792649af8977bf24.
v2.24.6.0