lat → ipeps Relation

File in lat	Includes file in inc/ipeps
ipeps / nil.h	lattice.h
ipeps / su2.h	lattice.h
ipeps / su2u1.h	lattice.h
ipeps / u1.h	lattice.h
ipeps / u1u1.h	lattice.h
ipeps / z2.h	lattice.h