Moved ContactDataObject.{h,cpp} into the contacteditor/cdo directory.

diff --git a/source/contacteditor/ContactDataObject.cpp b/source/contacteditor/cdo/ContactDataObject.cpp
similarity index 100%
rename from source/contacteditor/ContactDataObject.cpp
rename to source/contacteditor/cdo/ContactDataObject.cpp

diff --git a/source/contacteditor/ContactDataObject.h b/source/contacteditor/cdo/ContactDataObject.h
similarity index 100%
rename from source/contacteditor/ContactDataObject.h
rename to source/contacteditor/cdo/ContactDataObject.h