new jingle extension

...dpp/test/invitation/internal/IncommingInvitationTest.java

...f/dpp/test/invitation/internal/InvitationProcessTest.java

.../dpp/test/invitation/internal/OutgoingInvitationTest.java

...itation/internal/XMPPChatTransmitterFileTransferTest.java

...vitation/internal/mock/IncomingInvitationProcessStub.java

...vitation/internal/mock/MockOutgoingInvitationProcess.java

.../de/fu_berlin/inf/dpp/test/jupiter/SynchronizedQueue.java

...lin/inf/dpp/test/jupiter/TestDifferentProxyScenarios.java

.../inf/dpp/test/jupiter/puzzles/ConvergenceProblemTest.java

...rlin/inf/dpp/test/jupiter/puzzles/CounterExampleTest.java

...u_berlin/inf/dpp/test/jupiter/puzzles/DOptPuzzleTest.java

...dpp/test/jupiter/puzzles/InclusionTransformationTest.java

.../inf/dpp/test/jupiter/puzzles/SimpleClientServerTest.java

...f/dpp/test/jupiter/puzzles/SimpleJupiterDocumentTest.java

...n/inf/dpp/test/jupiter/puzzles/SimpleServerProxyTest.java

...erlin/inf/dpp/test/jupiter/server/TestClientManaging.java

...n/inf/dpp/test/jupiter/server/impl/ConcurrentManager.java

...inf/dpp/test/jupiter/text/ClientSynchronizedDocument.java

.../src/de/fu_berlin/inf/dpp/test/jupiter/text/Document.java

...berlin/inf/dpp/test/jupiter/text/DocumentTestChecker.java