MycroftOS: Implementation of a very first initial bootable version

- Add Buildroot patches to downgrade / upgrade package dependencies
  in line with the Mycroft A.I. software stack requirements.
- Add buildroot additional package dependencies in line with the
  Mycroft A.I. software stack requirements.
- Update rpi3 defconfig file.
- Implement initial root_fs overlay filestructure.
- Addition of some quick and dirty helper scripts.
- Update of README to reflect these changes.

buildroot-external/package/python-vlc/Config.in

@@ -0,0 +1,6 @@
+config BR2_PACKAGE_PYTHON_VLC
+	bool "python-vlc"
+	help
+	  VLC bindings for python.
+
+	  http://wiki.videolan.org/PythonBinding

buildroot-external/package/python-vlc/python-vlc.hash

@@ -0,0 +1,6 @@
+# md5, sha256 from https://pypi.org/pypi/python-vlc/json
+sha256	9727819d0051bfc21a17bf355f917a503be6bafdaa7c414d6bf81acc7081081d  python-vlc-1.1.2.tar.gz
+md5	7223e009debc7cca65471223a7678437  python-vlc-3.0.102.tar.gz
+sha256	c51a1c553852a08bd92176de473e15bda7d507ff5ec58005b2a9de5ca8f593a5  python-vlc-3.0.102.tar.gz
+# Locally computed sha256 checksums
+sha256	dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  COPYING

buildroot-external/package/python-vlc/python-vlc.mk

@@ -0,0 +1,14 @@
+################################################################################
+#
+# python-vlc
+#
+################################################################################
+
+PYTHON_VLC_VERSION = 1.1.2
+PYTHON_VLC_SOURCE = python-vlc-$(PYTHON_VLC_VERSION).tar.gz
+PYTHON_VLC_SITE = https://files.pythonhosted.org/packages/43/ea/f2726b9eca7ded969d9671c583d5079f2486b8d3454f4e9d6649e0455909
+PYTHON_VLC_SETUP_TYPE = setuptools
+PYTHON_VLC_LICENSE = LGPL-2.1
+PYTHON_VLC_LICENSE_FILES = COPYING
+
+$(eval $(python-package))