BUG: fixes overlapping atoms issue in ase.build.root.py
BUG: fixes overlapping atoms issue in ase.build.root.py
Adds function to remove extra overlapping atoms in the fcc111_root function. Closes #1128
BUG: fixes overlapping atoms issue in ase.build.root.py
Adds function to remove extra overlapping atoms in the fcc111_root function. Closes #1128