Merge pull request #32 : relax schema to allow 1.x.x versions

Author: jgadsden

threat-model.schema.json

@@ -804,7 +804,7 @@
     "properties": {
         "$schema": {
             "title": "URI of JSON schema",
-            "const": "https://github.com/OWASP/www-project-threat-model-library/blob/v1.0.2/threat-model.schema.json"
+            "pattern": "https://github\\.com/OWASP/www-project-threat-model-library/blob/v[1-9][0-9]*\\.[0-9]+\\.[0-9]+/threat-model.schema.json"
         },
 
         "version": {