Fix host network (#280)

* Fix Add-On host network mode

* Split up esphomeyaml tests

* Fix perms

* Fix

* Add esphomeyaml_version option

* Revert change to travis.yml

esphomeyaml-edge/rootfs/etc/cont-init.d/30-esphomeyaml.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/with-contenv bash
+# ==============================================================================
+# Community Hass.io Add-ons: esphomeyaml
+# This files installs the user esphomeyaml version if specified
+# ==============================================================================
+# shellcheck disable=SC1091
+source /usr/lib/hassio-addons/base.sh
+
+declare esphomeyaml_version
+
+if hass.config.has_value 'esphomeyaml_version'; then
+    esphomeyaml_version=$(hass.config.get 'esphomeyaml_version')
+    pip2 install --no-cache-dir --no-binary :all: "https://github.com/OttoWinter/esphomeyaml/archive/${esphomeyaml_version}.zip"
+end