- add a missing copy constructor and assignment when other copy ctor or assignment  existed 
  - fixed a templated assignment in Rotation3D
  - avoid in Plane3D to call from a ctor another ctor


git-svn-id: http://root.cern.ch/svn/root/trunk@32627 27541ba8-7e3a-0410-8455-c3a389f83636