Removed dependence on Blitz++ in the Lanczos:
here, I copied over
	Lanczos_07.cpp
	Lanczos_07.h
from a version in
git@github.com:rgmelko/1D_NLC.git
commit c3187a3c97c6ea11469af523c8a6a72bd17e0a4c
Nov 01, 2012
parent 375a658
This code was modified by Katie Hyatt to remove the Lanczos - we're just reusing it again here
with the present merge