Added upgrade step and fixed lintian errors

debian/control

@@ -9,7 +9,7 @@ Vcs-Git: https://github.com/boltgolt/howdy
 Package: howdy
 Homepage: https://github.com/boltgolt/howdy
 Architecture: all
-Depends: ${misc:Depends}, curl|wget, python3-pip, python3-dev, python3-setuptools, libpam-python, fswebcam, libopencv-dev, cmake, streamer
+Depends: ${misc:Depends}, curl|wget, python3, python3-pip, python3-dev, python3-setuptools, libpam-python, fswebcam, libopencv-dev, cmake, streamer
 Recommends: libatlas-base-dev | libopenblas-dev | liblapack-dev
 Suggests: nvidia-cuda-dev (>= 7.5)
 Description: Howdy: Windows Hello style authentication for Linux.

debian/postinst

@@ -81,6 +81,11 @@ if not os.path.exists("/tmp/howdy_picked_device"):
 			with open("/lib/security/howdy/config.ini", "w") as configfile:
 				newConf.write(configfile)
 
+		# Install dlib data files if needed
+		if not os.path.exists("/lib/security/howdy/dlib-data/shape_predictor_5_face_landmarks.dat"):
+			print("Attempting installation of missing data files")
+			handleStatus(subprocess.call(["./install.sh"], shell=True, cwd="/lib/security/howdy/dlib-data"))
+
 	sys.exit(0)
 
 # Open the temporary file containing the device ID

src/cli/test.py

@@ -1,4 +1,3 @@
-#! /usr/bin/python3
 # Show a windows with the video stream and testing information
 
 # Import required modules