Replaced clover with cobertura, added pmd report.
Replaced clover with cobertura, added pmd report.

git-svn-id: ba027325f5cbd8d0def94cfab53a7170165593ea@365297 13f79535-47bb-0310-9956-ffa450edef68

sdinot/hipparchus,sdinot/hipparchus,Hipparchus-Math/hipparchus,Hipparchus-Math/hipparchus,apache/commons-math,apache/commons-math,apache/commons-math,sdinot/hipparchus,sdinot/hipparchus,Hipparchus-Math/hipparchus,Hipparchus-Math/hipparchus,apache/commons-math