Renamed test cancel

CMakeLists.txt

java/src/main/java/fr/ill/ics/cameo/TestSelector.java

java/src/main/java/fr/ill/ics/cameo/test/PublisherLoop.java

.../src/main/java/fr/ill/ics/cameo/test/TestBadEndpoint.java

java/src/main/java/fr/ill/ics/cameo/test/TestCancel.java

java/src/main/java/fr/ill/ics/cameo/test/TestSubscriber.java

jzmq-api-config.xml

python/tests/error.py

python/tests/publisher.py

python/tests/publisherloop.py

python/tests/requester.py

python/tests/responder.py

python/tests/result.py

python/tests/simple.py

python/tests/subscriber.py

python/tests/testcancel.py

python/tests/testerror.py

python/tests/testpublisher.py

python/tests/testrequester.py

python/tests/testresponder.py