Build - Enable MM Renderer by default in CMake scripts.

The build scripts explicitly enabled it anyway, but this is just
making that clear.

Author: david-cattermole

CMakeLists.txt

@@ -86,7 +86,7 @@ option(MMSOLVER_BUILD_3DEQUALIZER "Build and install 3DEqualizer scripts?" ON)
 option(MMSOLVER_BUILD_SYNTHEYES "Build and install SynthEyes scripts?" ON)
 option(MMSOLVER_BUILD_BLENDER "Build and install Blender add-on?" ON)
 option(MMSOLVER_BUILD_QT_UI "Build the Qt UI files?" ON)
-option(MMSOLVER_BUILD_RENDERER "Build and install the MM Renderer?" OFF)
+option(MMSOLVER_BUILD_RENDERER "Build and install the MM Renderer?" ON)
 option(MMSOLVER_BUILD_DOCS "Build and install the documentation?" ON)
 option(MMSOLVER_BUILD_ICONS "Build and install the icons?" ON)
 option(MMSOLVER_BUILD_CONFIG "Build and install the config files?" ON)