CMake: switch WITH_PYTHONQT default to OFF

CHANGES

@@ -9,6 +9,12 @@ This release contains contributions from (alphabetically by first name):
 
 ## Core ##
 
+ - With this release, option *WITH_PYTHONQT* changes default to **off**.
+   There does not seem to be any serious use of the PythonQt API and
+   the UI opportunities it offers, so begin the process of deprecating
+   and removing that. Sometime in the future, QML pages will fill the
+   gap for easily-prototyped-yet-slick UI elements.
+
 ## Modules ##
 
 

CMakeLists.txt

@@ -48,7 +48,7 @@ option( INSTALL_CONFIG "Install configuration files" OFF )
 option( INSTALL_POLKIT "Install Polkit configuration" ON )
 option( BUILD_TESTING "Build the testing tree." ON )
 option( WITH_PYTHON "Enable Python modules API (requires Boost.Python)." ON )
-option( WITH_PYTHONQT "Enable next generation Python modules API (experimental, requires PythonQt)." ON )
+option( WITH_PYTHONQT "Enable next generation Python modules API (experimental, requires PythonQt)." OFF )
 option( WITH_KF5Crash "Enable crash reporting with KCrash." ON )