Add security api and TOTP on supervisor (#41)

* Add security api and TOTP on supervisor

* finish security api

* fix lint

* fix lint p2

* add new api view to init

* Task session cleanup / fix hass wachdog

* fix lint

* fix api return

* fix check

hassio/api/homeassistant.py

@@ -26,13 +26,11 @@ class APIHomeAssistant(object):
     @api_process
     async def info(self, request):
         """Return host information."""
-        info = {
+        return {
             ATTR_VERSION: self.homeassistant.version,
             ATTR_LAST_VERSION: self.config.last_homeassistant,
         }
 
-        return info
-
     @api_process
     async def update(self, request):
         """Update homeassistant."""