You can find the documentation for RoBO here http://robo-fork.readthedocs.org/en/latest/
You can find the documentation for Fabolas also here http://robo-fork.readthedocs.org/en/latest/.
For an example how to use it in practice look here: https://github.com/automl/RoBO/blob/master/examples/example_fmin_fabolas.py