dipole correction for surface supercell calculations (no forces yet)



git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13505 bac0169d-1eea-4375-b5f6-f89d2ced9994
 reference


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13506 bac0169d-1eea-4375-b5f6-f89d2ced9994