update copyright to 2021

iframe.html

@@ -772,7 +772,7 @@
   </div>
   <!-- /.content-wrapper -->
   <footer class="main-footer">
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong>
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong>
     All rights reserved.
     <div class="float-right d-none d-sm-inline-block">
       <b>Version</b> 3.1.0-rc

index.html

@@ -1453,7 +1453,7 @@
   </div>
   <!-- /.content-wrapper -->
   <footer class="main-footer">
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong>
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong>
     All rights reserved.
     <div class="float-right d-none d-sm-inline-block">
       <b>Version</b> 3.1.0-rc

index2.html

@@ -1695,7 +1695,7 @@
 
   <!-- Main Footer -->
   <footer class="main-footer">
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong>
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong>
     All rights reserved.
     <div class="float-right d-none d-sm-inline-block">
       <b>Version</b> 3.1.0-rc

index3.html

@@ -1119,7 +1119,7 @@
 
   <!-- Main Footer -->
   <footer class="main-footer">
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong>
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong>
     All rights reserved.
     <div class="float-right d-none d-sm-inline-block">
       <b>Version</b> 3.1.0-rc

pages/UI/buttons.html

@@ -2305,7 +2305,7 @@
     <div class="float-right d-none d-sm-block">
       <b>Version</b> 3.1.0-rc
     </div>
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
   </footer>
 
   <!-- Control Sidebar -->

pages/UI/general.html

@@ -1942,7 +1942,7 @@
     <div class="float-right d-none d-sm-block">
       <b>Version</b> 3.1.0-rc
     </div>
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
   </footer>
 
   <!-- Control Sidebar -->

pages/UI/icons.html

@@ -872,7 +872,7 @@
     <div class="float-right d-none d-sm-block">
       <b>Version</b> 3.1.0-rc
     </div>
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
   </footer>
 
   <!-- Control Sidebar -->

pages/UI/modals.html

@@ -1294,7 +1294,7 @@
     <div class="float-right d-none d-sm-block">
       <b>Version</b> 3.1.0-rc
     </div>
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
   </footer>
 
   <!-- Control Sidebar -->

pages/UI/navbar.html

@@ -1411,7 +1411,7 @@
     <div class="float-right d-none d-sm-block">
       <b>Version</b> 3.1.0-rc
     </div>
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
   </footer>
 
   <!-- Control Sidebar -->

pages/UI/ribbons.html

@@ -978,7 +978,7 @@
     <div class="float-right d-none d-sm-block">
       <b>Version</b> 3.1.0-rc
     </div>
-    <strong>Copyright &copy; 2014-2020 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
+    <strong>Copyright &copy; 2014-2021 <a href="https://adminlte.io">AdminLTE.io</a>.</strong> All rights reserved.
   </footer>
 
   <!-- Control Sidebar -->