Use commons-math interpolators

[mjw99]

Replace name.mjw.jquante.math.interpolater with org.apache.commons.math3.analysis.interpolation

[mjw99]

Will probably need to wait for commons-math 4: http://commons.apache.org/proper/commons-math/apidocs/org/apache/commons/math4/analysis/interpolation/TrivariateGridInterpolator.html

[mjw99]

Option from hipparchus may work.