Add support for the following random generators: Kleinberg and geometric
Kleinberg: http://www.maths.strath.ac.uk/~aap05145/contest/kleinberg.m http://www.maths.strath.ac.uk/~aap05145/contest/geo.m
these are part of a nice matlab toolbox: http://www.maths.strath.ac.uk/~aap05145/contest/home.html