Add combined algorithm.

Use a dual method for early stopping and a converter to possibly improve
primal, and a primal method to actually solve the problem, balancing time
between them.
Autoformatted file
Reordered file
Warn about not finding hopkins, import array.
Cosmetics
Adapt combined algorithm for AM use.

Weak relative gap goal, ensure warm start on W and t,
simple wrapper in simpleInterface.
Compare our and kmeans clustering with noise, using AMI measure.