GingerCal 1.1: apksigner v1 signing so Android 2.3 installs it; add Pangolin VPS setup notes

tools/mkicon.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
-"""Draws the 48x48 (mdpi) launcher icon: a little calendar page in ginger tones."""
+"""Draws the launcher icon: a little calendar page in ginger tones.
+usage: mkicon.py out.png [size]   (48 = mdpi, 36 = ldpi like the Galaxy Mini)"""
 import sys
 from PIL import Image, ImageDraw
 
@@ -27,5 +28,6 @@ for row in range(3):
             d.rounded_rectangle(box, radius=1.5 * S, fill=(0, 130, 201, 255))  # Nextcloud blue
         else:
             d.rounded_rectangle(box, radius=1.5 * S, fill=(200, 188, 172, 255))
-img = img.resize((48, 48), Image.LANCZOS)
+size = int(sys.argv[2]) if len(sys.argv) > 2 else 48
+img = img.resize((size, size), Image.LANCZOS)
 img.save(sys.argv[1] if len(sys.argv) > 1 else "icon.png", optimize=True)