added anneal_sundials.py
added anneal_sundials.py

* copied file from pysundials branch, outside of git, to avoid bringing in
  all the temp data and stuff that is in that branch

pysb/pysb,neurord/pysb,neurord/pysb,jmuhlich/pysb,spgarbet/pysb,d-fan/pysb,neurord/pysb,LoLab-VU/pysb,johnbachman/pysb,spgarbet/pysb,alubbock/pysb,alubbock/pysb-legacy,johnbachman/pysb,alubbock/pysb-legacy,d-fan/pysb,d-fan/pysb,spgarbet/pysb,alubbock/pysb-legacy,LoLab-VU/pysb,alubbock/pysb-legacy