Removed old, unused commented out code at the bottom of
smoothed_aggregation.h
Fixed the documentation of UnAml in utils.py
Removed the redundant blocksize and nPDEs functions in aggregation.py
and rootnode.py
Blocked out code sections in classical.py so that they resemble
the code chunks in the aggregation solvers
Fixed issuea #95 concerning assume_constant_nns in evolution strength