Merge pull request #4 from bszcz/master

Fibonacci benchmark for C, Java and Python.
Add ipython notebook version.
Added C++ version of fibo
added solution for project euler problem 79 (+ created directory)
menger sponge creating/plotting using mayavi, either as notebook or regular python with a function library
Merge pull request #5 from MikeGillard/master

menger sponge and project euler problem 79 code from Mike G
Matt annotated Mike's code, moved to Python 3
More on C++ version