Renamed test requester

CMakeLists.txt

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

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

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

jzmq-api-config.xml

python/tests/requester.py

python/tests/testrequester.py

src/tests/Requester.cpp

src/tests/TestRequester.cpp

src/tests/TestResponder.cpp