[DEV] update Dictionary_Key commentaries
[DEV] update Dictionary_Key commentaries

Change-Id: Ia3f601c28580f963511138ac3508e875569cec36

Parrot-Developers/libARController,niavok/libARController,niavok/libARController,offbye/libARController,Parrot-Developers/libARController,pwkalana9/libARController,offbye/libARController,offbye/libARController,offbye/libARController,Parrot-Developers/libARController,Parrot-Developers/libARController,pwkalana9/libARController,niavok/libARController,pwkalana9/libARController,niavok/libARController,pwkalana9/libARController