Cosmetic changes.

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Remove unused dependency

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Remove dead code

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Code cleanup

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Remove ActivityMonitor to IActivityMonitor.

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Remove empty destructors

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Periodically update statistics.

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Fix compilation on Linux.

Signed-off-by: Rob Caelers <rob.caelers@gmail.com>
Merge branch 'next' of github.com:rcaelers/workrave into next