Typo on an inner class
Really really small remark about the spelling of an inner class in the
class "OsculatingToMeanElementsConverter".
One of the inner classes is spelled "Qua*t*ratureComputation" instead
of "Qua*d*ratureComputation".
(from redmine: issue id 120, created on 2012-10-07, closed on 2012-10-07)