Available Potential implemented

[jan-janssen]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 1087

• 56 of 100 (56.0%) changed or added relevant lines in 7 files are covered.
• 7 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.1%) to 66.611%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pyiron/lammps/base.py	2	3	66.67%
pyiron/lammps/potential.py	5	11	45.45%
pyiron/vasp/potential.py	28	44	63.64%
pyiron/vasp/base.py	15	36	41.67%

Files with Coverage Reduction	New Missed Lines	%
pyiron/atomistics/master/murnaghan.py	2	50.63%
pyiron/vasp/interactive.py	5	35.9%

Totals
Change from base Build 1072:	0.1%
Covered Lines:	11260
Relevant Lines:	16904

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💛 - Coveralls

[sudarsan-surendralal]

Can you use selected_atoms=None instead. And set it to [] only if None