Add optional overwrite parameter to CopyDirectory operation
Add optional overwrite parameter to CopyDirectory operation

Change-Id: I9228805e179403fe1ac1be9390947223880a67eb
Reviewed-by: Frank Osterfeld <f22f018e0a52924857e6b44870ddf7d8e9902149@kdab.com>
Reviewed-by: Tim Jenssen <6a21f175c697b4129e1bafb6e9b52078bb1a6738@digia.com>

olear/qtifw,olear/qtifw,olear/qtifw,olear/qtifw