improve data on author_handle.json files

Updated URLs, Email addresses, GitHub handles,
Mastodon handles, and locations of various IOCCC winning authors.

author/Ora_Lassila.json

@@ -4,14 +4,14 @@
     "author_handle" : "Ora_Lassila",
     "full_name" : "Ora Lassila",
     "sort_word" : "lassila",
-    "location_code" : null,
-    "location_name" : null,
+    "location_code" : "US",
+    "location_name" : "United States of America",
     "email" : "ora.lassila@nokia.com",
-    "url" : "http://www.lassila.org/",
-    "alt_url" : null,
+    "url" : "https://www.lassila.org",
+    "alt_url" : "https://www.linkedin.com/in/oralassila/",
     "deprecated_twitter_handle" : null,
-    "mastodon" : null,
-    "mastodon_url" : null,
+    "mastodon" : "@ora@w3c.social",
+    "mastodon_url" : "https://w3c.social/@ora",
     "github" : null,
     "affiliation" : null,
     "winning_entry_set" : [