MATH-933
Throw exception from optimizers that do not support simple bounds.
Changing visibility of "parseOptimizationData" method to "protected" in order
to allow the parent class to parse its data before the subclass (and thus
providing more flexibility: the subclass is able check input consistency at
the options parsing step).


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1443444 13f79535-47bb-0310-9956-ffa450edef68