0.3.1 upgrade

"Members info" page and its shortcode were added as one of special page.
"Members info" page is referred from some following pages, in order to check a member information.

* “Cancellation form for teacher” page
* “Report form for teacher” page
* “Teachers history” page
* “Teachers schedule” page.


git-svn-id: https://plugins.svn.wordpress.org/online-lesson-booking-system/trunk@793422 b8457f37-d9ea-0310-8a92-e5e31aec5664