Fixed build problems when Jacoco does not reach its threshold.
Fixed build problems when Jacoco does not reach its threshold.

Fixes issue #127
Yakushima/Orekit,attatrol/Orekit,CS-SI/Orekit,liscju/Orekit,wardev/orekit,attatrol/Orekit,liscju/Orekit,petrushy/Orekit,petrushy/Orekit,CS-SI/Orekit,Yakushima/Orekit,treeform/orekit,ProjectPersephone/Orekit,ProjectPersephone/Orekit