ACME compatibility fix for /.well-known/

+ Updated acme well known take-over regrex
+ Added experimental config export and import
+ Added unit test for location rewrite in dpcore
+ Moved all config files to ./conf and original proxy files to ./conf/proxy
+ Minor optimization on UI regarding TLS verification logo on subdomain and vdir list

src/mod/dynamicproxy/dpcore/utils.go

@@ -44,3 +44,8 @@ func replaceLocationHost(urlString string, rrr *ResponseRewriteRuleSet, useTLS b
 
 	return u.String(), nil
 }
+
+// Debug functions
+func ReplaceLocationHost(urlString string, rrr *ResponseRewriteRuleSet, useTLS bool) (string, error) {
+	return replaceLocationHost(urlString, rrr, useTLS)
+}