Findmax: Read state from file, resume calculation.
Findmax: Read state from file, resume calculation.

 * findmax can read its state from a file (specified via "statefile")
   and resume an aborted calculation
 * does not check whether all parameters are the same, but assumes that
   they are (i.e. configuration is assumed to be unchanged)
 * tested by hand, works
 * no unit tests

meznom/qca,meznom/qca,meznom/qca