rewrite schedule UI with cache

Author: Jessica Shi

codegen.html

@@ -132,11 +132,12 @@ <h6 style="margin-bottom: 0px; margin-top: 18px">Input a tensor algebra expressi
           <div class="mdl-grid" style="padding-top: 6px">
             <div class="mdl-layout-spacer"></div>
             <div class="mdl-cell mdl-cell--9-col">
-              <button id="btnCommand" class="mdl-button mdl-js-button mdl-button--raised mdl-js-ripple-effect demo-btn" style="margin-bottom:10px; width: 30%">
+              <button id="btnSchedule" class="mdl-button mdl-js-button mdl-button--raised mdl-js-ripple-effect demo-btn" style="margin-bottom:10px; width: 30%">
                 Add Scheduling Command
               </button>
-              <table class="mdl-data-table mdl-js-data-table" style="width: 100%; margin-bottom: 8px" id="tblCommands">
-                <tbody>
+              <table class="mdl-data-table mdl-js-data-table" style="width: 100%; 
+                margin-bottom: 8px">
+                <tbody id="tblSchedule">
                 </tbody>
               </table>
             </div>