Add Image sizing information at the Attendee Profile Pic Updated page 300x300px

.person-details-image-upload:after{
padding-top:10px;
content:"Image size 300x300 px";
font-size:13pt;
}

/* Fix add comment to people profile pic upload */

.icon-arrow-up.icon-4x:after{
content:"300x300 px";
font-size:13pt;
}