KERMODE (screened TS) potentials for Silica

KERMODE potentials for Silica was implemented (not yet parallelised) and it can be compiled with the compile tag "kermode". 

J.Chem.Phys. 133, 094102 (2010)  
A first principles based polarizable O(N) interatomic force field for bulk silica
J.R.Kermode, S.Cereda, P.Tangney, and A. De Vita