Update Buildroot to 2019.02.3 (#415)

* Update Buildroot to 2019-02.3

* Fix enter script

* Update ova_defconfig

* Fix network manager

* Remove runc patches

* Use same docker version

* Fix build

* Fix vmtools

* Fix depens

* Fix handling with tempfiles

* Fix permission handling

* Fix cp

* Cleanup

* Fix mounts

buildroot/support/testing/tests/package/sample_python_argh.py

@@ -0,0 +1,10 @@
+import argh
+
+
+@argh.arg("foo", help="help for foo")
+@argh.arg("--bar", help="help for bar")
+def main(foo, bar=False):
+    print("{}, {}".format(foo, bar))
+
+
+argh.dispatch_command(main)