Add checker for subsumption and overlap

...nz/fgbks/base/utils/boundary/AbstractGrowingBoundary.java

...koblenz/fgbks/base/utils/boundary/checker/CheckEqual.java

...enz/fgbks/base/utils/boundary/checker/CheckInContact.java

...nz/fgbks/base/utils/boundary/checker/CheckIsSubsumes.java

.../fgbks/base/utils/boundary/checker/CheckNotInContact.java

...blenz/fgbks/base/utils/boundary/checker/CheckOverlap.java

...lenz/fgbks/base/utils/boundary/checker/CheckSubsumes.java

...gbks/base/utils/boundary/checker/AbstractCheckerTest.java

...fgbks/base/utils/boundary/checker/CheckInContactTest.java

...ks/base/utils/boundary/checker/CheckNotInContactTest.java

...z/fgbks/base/utils/boundary/checker/CheckOverlapTest.java

.../fgbks/base/utils/boundary/checker/CheckSubsumesTest.java