Log-rotation options (-C, -G and -W) had some issues so I'm disabling them

This patch disables them in the tab completion, in the option parsing and in the
--help string. The actual core functionality is left in-place, but users can no
longer access it
Merge pull request #216 from dkogan/master

Log-rotation options (-C, -G and -W) had some issues so I'm disabling them