Go to the add ons tab in the preferences and click install to select the python file "parent2bones.py"

The menu appears in the 3d View's Tools panel. Hit "n" on the keyboard to show and hide the panel, when oyur mouse is in 3d View.
In the Tools Panel goto the nm-8 Tab and find the Parent2Bone menu.



USE: select alle objects you want to parent, and the armature you want it to parent to. The order in which you select the items does not matter, the script will detect which is which.
hit "parent selection" to parent all objects to their closest bones.

options:

-"origins": use the origins (which are the object locations) to calculate distance.
if this is unchecked, the center of the objects bounding box will be used instead.

-"bone head": use the bones head to calculate the distance. If this is unchecked, then the middle point between the bones head and the bones tail is used instead.