Removed comments from run_tyson_oscillator
Removed comments from run_tyson_oscillator

These removes the comments as requested in  #142.
pysb/pysb,LoLab-VU/pysb,johnbachman/pysb,jmuhlich/pysb,alubbock/pysb,johnbachman/pysb,LoLab-VU/pysb