Trim white space before and after username and password and before encrypting when adding a client password

client_events.php

@@ -10,6 +10,7 @@ if (isset($_GET['calendar_id'])) {
 
 <link href='plugins/fullcalendar/main.min.css' rel='stylesheet' />
 
+<!-- So that when hovering over a created event it turns into a hand instead of cursor -->
 <style>
     .fc-event {
         cursor: pointer;