* object_drop.py - option to orient to face normal (useful for scattering objects over terrain), accounts for normal flipping and can adjust the orientation %.
BPyMesh.py - own dumb error, was using dir as an arg (which is a py keyword)
object_drop.py - new script, the first to use UIBlock, it drops objects into terrain, either a group or the active object. on teh Z axis or view axis.