更新群组日程，调整标题，增加退出标记

2020/x-3/group-schedule.html

@@ -23,11 +23,14 @@
        <a class="ipu-fn-left page-back" href="javascript:history.back();">
          <i class="ipu-icon ri-arrow-left-s-line"></i>
        </a>
        <a class="ipu-fn-right menu-quit" href="javascript:history.back();">
          <i class="ipu-icon ri-record-circle-line"></i>
        </a>
      </header>
      <header class="ipu-toolbar">
        <div class="ipu-fn-left">
          <div class="schedule-page-title">
            日程
            群组日程
          </div>
        </div>
        <div class="ipu-fn-right">