02.Commit:	2D potts model implementation
DONE:
-implemented 2D potts model (pbc)
-probability as lookup-table
-step only allowes +/- 1 in the spin
-boundary lookup-arrays
-accumulator_map used (slow)
-boost::mersenne rng used (slow?)
TODO:
-compare to verified ising impls
-incorporate bash_parameter
-add plotting tools
-implements solid performance measuring framework
IDEAS:
-ND?
-Z-Tree