#240 Remove commons-collections dependency

[Viczian Istvan]

Only ListOrderedSet and ListOrderedMap was used, but there is
equivalent classes in JDK: LinkedHashSet and LinkedHashMap.

Patch: https://github.com/vicziani/dbunit/commit/f5f5dce373677042ee9817a0e12d0ecedcd4ce98.patch

[Jeff Jensen]

Thank you!