Update feedback plugin URL to use feedback.mariadb.org subdomain

mysql-test/suite/plugins/r/feedback_plugin_install.result

@@ -11,6 +11,6 @@ FEEDBACK version	1.1
 FEEDBACK_HTTP_PROXY	
 FEEDBACK_SEND_RETRY_WAIT	60
 FEEDBACK_SEND_TIMEOUT	60
-FEEDBACK_URL	http://mariadb.org/feedback_plugin/post
+FEEDBACK_URL	http://feedback.mariadb.org/rest/v1/post
 FEEDBACK_USER_INFO	mysql-test
 uninstall plugin feedback;

mysql-test/suite/plugins/r/feedback_plugin_load.result

@@ -13,7 +13,7 @@ FEEDBACK version	1.1
 FEEDBACK_HTTP_PROXY	
 FEEDBACK_SEND_RETRY_WAIT	60
 FEEDBACK_SEND_TIMEOUT	60
-FEEDBACK_URL	http://mariadb.org/feedback_plugin/post
+FEEDBACK_URL	http://feedback.mariadb.org/rest/v1/post
 FEEDBACK_USER_INFO	mysql-test
 SELECT VARIABLE_VALUE>0, VARIABLE_NAME FROM INFORMATION_SCHEMA.FEEDBACK
 WHERE VARIABLE_NAME LIKE 'Collation used %'

mysql-test/suite/plugins/r/feedback_plugin_send.result

@@ -13,7 +13,7 @@ FEEDBACK version	1.1
 FEEDBACK_HTTP_PROXY	
 FEEDBACK_SEND_RETRY_WAIT	60
 FEEDBACK_SEND_TIMEOUT	60
-FEEDBACK_URL	http://mariadb.org/feedback_plugin/post
+FEEDBACK_URL	http://feedback.mariadb.org/rest/v1/post
 FEEDBACK_USER_INFO	mysql-test
 SELECT VARIABLE_VALUE>0, VARIABLE_NAME FROM INFORMATION_SCHEMA.FEEDBACK
 WHERE VARIABLE_NAME LIKE 'Collation used %'
@@ -42,5 +42,5 @@ VARIABLE_VALUE>0	VARIABLE_NAME
 deallocate prepare stmt;
 set global sql_mode=ONLY_FULL_GROUP_BY;
 # restart
-feedback plugin: report to 'http://mariadb.org/feedback_plugin/post' was sent
+feedback plugin: report to 'http://feedback.mariadb.org/rest/v1/post' was sent
 feedback plugin: server replied 'ok'

plugin/feedback/feedback.cc

@@ -367,7 +367,7 @@ static MYSQL_SYSVAR_STR(user_info, user_info,
        NULL, NULL, "");
 static MYSQL_SYSVAR_STR(url, url, PLUGIN_VAR_READONLY | PLUGIN_VAR_RQCMDARG,
        "Space separated URLs to send the feedback report to.", NULL, NULL,
-       DEFAULT_PROTO "mariadb.org/feedback_plugin/post");
+       DEFAULT_PROTO "feedback.mariadb.org/rest/v1/post");
 static MYSQL_SYSVAR_ULONG(send_timeout, send_timeout, PLUGIN_VAR_RQCMDARG,
        "Timeout (in seconds) for the sending the report.",
        NULL, NULL, 60, 1, 60*60*24, 1);