1.0 Fixed a bug that system error message is displayed in the error message display.

git-svn-id: https://plugins.svn.wordpress.org/wp-member-page/trunk@940662 b8457f37-d9ea-0310-8a92-e5e31aec5664
Stable tagを1.1に変更。

git-svn-id: https://plugins.svn.wordpress.org/wp-member-page/trunk@940664 b8457f37-d9ea-0310-8a92-e5e31aec5664