Updated docke app to be compatible with 0.16.0 changes

app/app.py

@@ -1,11 +1,12 @@
 """Script to run blinkpy as an app."""
 from os import environ
 from datetime import datetime, timedelta
-from blinkpy import blinkpy
+from blinkpy.blinkpy import Blink
+from blinkpy.auth import Auth
+from blinkpy.helpers.util import json_load
 
 
-USERNAME = environ.get("USERNAME")
-PASSWORD = environ.get("PASSWORD")
+CREDFILE = environ.get("CREDFILE")
 TIMEDELTA = timedelta(environ.get("TIMEDELTA", 1))
 
 
@@ -21,11 +22,18 @@ def download_videos(blink, save_dir="/media"):
 
 def start():
     """Startup blink app."""
-    blink = blinkpy.Blink(username=USERNAME, password=PASSWORD)
+    blink = Blink()
+    blink.auth = Auth(json_load(CREDFILE))
     blink.start()
     return blink
 
 
+def main():
+    """Run the app."""
+    blink = start()
+    download_videos(blink)
+    blink.save(CREDFILE)
+
+
 if __name__ == "__main__":
-    BLINK = start()
-    download_videos(BLINK)
+    main()