Renamed stop test

CMakeLists.txt

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

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

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

jzmq-api-config.xml

python/tests/testsimple.py

python/tests/teststop.py

python/tests/testveryfast.py

src/tests/Stop.cpp

src/tests/TestStop.cpp