Ticket #621 - modify operations without values do not get replicated
Description: This was introduced by the fix for ticket 561 where in the
_cl5WriteMod the mods were checked if the values need to be encrypted
and only mods with values were written to the changelog
reviewed by Mark, Thanks
(cherry picked from commit 5a5ff2640d6e66c925550498211743a8f78a8477)
(cherry picked from commit 439ed95bfc4e892b256a71448838954d15decf9c)