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/download/git-remote/refs-sub1.git/.gitattributes

@@ -0,0 +1 @@
+objects/*/* binary

buildroot/support/testing/tests/download/git-remote/refs-sub1.git/HEAD

@@ -0,0 +1 @@
+cb545facf77bbc5f24f95b6d503c338d10b7b717

buildroot/support/testing/tests/download/git-remote/refs-sub1.git/config

@@ -0,0 +1,4 @@
+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = true

buildroot/support/testing/tests/download/git-remote/refs-sub1.git/objects/cb/545facf77bbc5f24f95b6d503c338d10b7b717

@@ -0,0 +1 @@
+x
­Î˝
Â0@ajOq$:;˛#„X€&8˙…q,S°=‘(číW<=_rćjśv­ĆÖ&‡(˝“:Y§U"e“1a<31>0B#<23>•#9AĎv+.쩆gŞŤW_w†Cý`źżxš3ńŇű’Ź 5N¨Ť4*D±é6Ńâźr‚WnL‹Wž×ş’Rç^ű_fĹW`

buildroot/support/testing/tests/download/git-remote/refs-sub1.git/refs/heads/submodule

@@ -0,0 +1 @@
+1df823cb8a6d1866148ae50a8009762a9c4c777f