Change directory structure

Move old SpeechControl (C++) files to the speechcontrol/old directory.
It is not build by default.
Add new, experimental files for SpeechControl.
Few new files and CLI argument for ASR backend.
Incorporate more QtDBus.
Add stub code for PocketSphinx class.
A giant removal of file that should not be here.
Add initial Python Distutils setup.
Update INSTALL file.
Update README.md file.
Change shebang line to use python3
Merge remote-tracking branch 'gentoolx/new-order' into develop

Conflicts:
	CMakeLists.txt
	INSTALL
	README.md
	cmake/CMakeLists.txt
	cmake/Modules/FindPocketSphinx.cmake
	cmake/Modules/SpeechControlDefaults.cmake
	cmake/Modules/SpeechControlMacros.cmake
	cmake/Templates/cmake_uninstall.cmake.in
	res/CMakeLists.txt
	res/data/CMakeLists.txt
	res/data/SpeechControl.desktop
	res/data/dbus/org.thesii.SpeechControl.Application.service.in
	res/data/speechcontrol.pc.in
	src/CMakeLists.txt
	src/global.hpp.in