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_constantly.py

@@ -0,0 +1,19 @@
+from constantly import ValueConstant, Values
+
+
+class RESULT(Values):
+    OK = ValueConstant(0)
+    FAIL = ValueConstant(-1)
+
+    @classmethod
+    def get(cls, rc):
+        if rc == 0:
+            return cls.OK
+        else:
+            return cls.FAIL
+
+
+print(list(RESULT.iterconstants()))
+assert(RESULT.OK < RESULT.FAIL)
+assert(RESULT.OK.value > RESULT.FAIL.value)
+assert(RESULT.get(-5) == RESULT.FAIL)