MycroftOS: Buildroot: Switched to glibc C library

- default binutils 2.29.1
- default gcc compiler 7.x
- Switch to python-tornado 5.1.1

buildroot-external/package/python-mycroft/0002-Bump-python-tornado-requirement-to-5.1.1.patch

@@ -0,0 +1,26 @@
+From 9fbd29b3c0442191706468fdd14270749e358211 Mon Sep 17 00:00:00 2001
+From: Peter Steenbergen <info@j1nx.nl>
+Date: Fri, 25 Jan 2019 13:04:53 +0100
+Subject: [PATCH 1/1] Bump python-tornado requirement to 5.1.1 This because
+ 4.5.3 does not compile on the host with Python 3.7
+
+---
+ requirements.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/requirements.txt b/requirements.txt
+index 94ffe987e8..5fe21dfa80 100644
+--- a/requirements.txt
++++ b/requirements.txt
+@@ -5,7 +5,7 @@ gTTS-token==1.1.3
+ PyAudio==0.2.11
+ pyee==1.0.1
+ SpeechRecognition==3.8.1
+-tornado==4.5.3
++tornado==5.1.1
+ websocket-client==0.32.0
+ requests-futures==0.9.5
+ pyalsaaudio==0.8.2
+-- 
+2.11.0
+