python bindings: install modules to the dist-packages directory
python bindings: install modules to the dist-packages directory

Use python to get the OS's directory name for dist-packages. The python
bindings (low-level shared library and python proxy class) are then installed
to that path, prefixed by the cmake install prefix.

Signed-off-by: David Wagner <60228a510f9a76940848fa2d29321fc4edfc2119@intel.com>

dbrageul/parameter-framework,Makohoek/parameter-framework,soaresm/parameter-framework,anwarMov/parameter-framework,android-ia/hardware_intel_parameter-framework,krocard/parameter-framework,clero/parameter-framework,sdnnfv/parameter-framework,dbrageul/parameter-framework,dawagner/parameter-framework,01org/parameter-framework,krocard/parameter-framework,zchokri/parameter-framework,android-ia/hardware_intel_parameter-framework,dbrageul/parameter-framework,dawagner/parameter-framework,android-ia/hardware_intel_parameter-framework,krocard/parameter-framework,Makohoek/parameter-framework,sdnnfv/parameter-framework,sdnnfv/parameter-framework,wzairix/parameter-framework,clero/parameter-framework,01org/parameter-framework,soaresm/parameter-framework,zchokri/parameter-framework,mgaio/parameter-framework,mgaio/parameter-framework,zchokri/parameter-framework,Makohoek/parameter-framework,dawagner/parameter-framework,clero/parameter-framework,01org/parameter-framework,wzairix/parameter-framework,soaresm/parameter-framework,miguelgaio/parameter-framework,anwarMov/parameter-framework,miguelgaio/parameter-framework,mgaio/parameter-framework,wzairix/parameter-framework,miguelgaio/parameter-framework,anwarMov/parameter-framework