Merge pull request #4560 from andriijas/2.1.1-wip-table-row-warning

.warning for table tr  and .info for .control-group

less/forms.less

@@ -349,6 +349,10 @@ input[type="checkbox"][readonly] {
 .control-group.success {
   .formFieldState(@successText, @successText, @successBackground);
 }
+// Success
+.control-group.info {
+  .formFieldState(@infoText, @infoText, @infoBackground);
+}
 
 // HTML5 invalid states
 // Shares styles with the .control-group.error above

less/tables.less

@@ -219,6 +219,9 @@ table {
   tbody tr.error td {
     background-color: @errorBackground;
   }
+  tbody tr.warning td {
+    background-color: @warningBackground;
+  }
   tbody tr.info td {
     background-color: @infoBackground;
   }