Use HTTPS!

dotfiles/bmo/uris.ini

@@ -17,7 +17,7 @@
     mbr     = https://musicbrainz.org/
     mfp     = http://musicforprogramming.net/
     rdt     = https://www.reddit.com/subreddits/
-    so      = http://stackoverflow.com/
+    so      = https://stackoverflow.com/
     tjc     = https://together.jolla.com/
     tor     = https://theoldreader.com/
     tw      = https://twitter.com/