better cmake output for found python version

stormpy/CMakeLists.txt

@@ -1,5 +1,9 @@
-find_package(PythonInterp REQUIRED)
-find_package(PythonLibs REQUIRED)
+find_package(PythonInterp REQUIRED QUIET)
+find_package(PythonLibs REQUIRED QUIET)
+
+message(STATUS "Python executable: ${PYTHON_EXECUTABLE}")
+message(STATUS "Python include: ${PYTHON_INCLUDE_DIRS}")
+message(STATUS "Python include: ${PYTHON_LIBRARIES}")
 
 set(STORMPY_OUTPUT_DIR "${PROJECT_BINARY_DIR}/stormpy")
 set(STORMPY_SOURCE_DIR "${PROJECT_SOURCE_DIR}/stormpy")