upgrade bootstrap 3.3.1 to 3.3.5

flask_admin/static/bootstrap/bootstrap3/css/bootstrap-theme.css

 /*!
- * Bootstrap v3.3.1 (http://getbootstrap.com)
- * Copyright 2011-2014 Twitter, Inc.
+ * Bootstrap v3.3.5 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
-
 .btn-default,
 .btn-primary,
 .btn-success,
@@ -29,6 +28,27 @@
   -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
           box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
 }
+.btn-default.disabled,
+.btn-primary.disabled,
+.btn-success.disabled,
+.btn-info.disabled,
+.btn-warning.disabled,
+.btn-danger.disabled,
+.btn-default[disabled],
+.btn-primary[disabled],
+.btn-success[disabled],
+.btn-info[disabled],
+.btn-warning[disabled],
+.btn-danger[disabled],
+fieldset[disabled] .btn-default,
+fieldset[disabled] .btn-primary,
+fieldset[disabled] .btn-success,
+fieldset[disabled] .btn-info,
+fieldset[disabled] .btn-warning,
+fieldset[disabled] .btn-danger {
+  -webkit-box-shadow: none;
+          box-shadow: none;
+}
 .btn-default .badge,
 .btn-primary .badge,
 .btn-success .badge,
@@ -63,8 +83,24 @@
   background-color: #e0e0e0;
   border-color: #dbdbdb;
 }
-.btn-default:disabled,
-.btn-default[disabled] {
+.btn-default.disabled,
+.btn-default[disabled],
+fieldset[disabled] .btn-default,
+.btn-default.disabled:hover,
+.btn-default[disabled]:hover,
+fieldset[disabled] .btn-default:hover,
+.btn-default.disabled:focus,
+.btn-default[disabled]:focus,
+fieldset[disabled] .btn-default:focus,
+.btn-default.disabled.focus,
+.btn-default[disabled].focus,
+fieldset[disabled] .btn-default.focus,
+.btn-default.disabled:active,
+.btn-default[disabled]:active,
+fieldset[disabled] .btn-default:active,
+.btn-default.disabled.active,
+.btn-default[disabled].active,
+fieldset[disabled] .btn-default.active {
   background-color: #e0e0e0;
   background-image: none;
 }
@@ -88,8 +124,24 @@
   background-color: #265a88;
   border-color: #245580;
 }
-.btn-primary:disabled,
-.btn-primary[disabled] {
+.btn-primary.disabled,
+.btn-primary[disabled],
+fieldset[disabled] .btn-primary,
+.btn-primary.disabled:hover,
+.btn-primary[disabled]:hover,
+fieldset[disabled] .btn-primary:hover,
+.btn-primary.disabled:focus,
+.btn-primary[disabled]:focus,
+fieldset[disabled] .btn-primary:focus,
+.btn-primary.disabled.focus,
+.btn-primary[disabled].focus,
+fieldset[disabled] .btn-primary.focus,
+.btn-primary.disabled:active,
+.btn-primary[disabled]:active,
+fieldset[disabled] .btn-primary:active,
+.btn-primary.disabled.active,
+.btn-primary[disabled].active,
+fieldset[disabled] .btn-primary.active {
   background-color: #265a88;
   background-image: none;
 }
@@ -113,8 +165,24 @@
   background-color: #419641;
   border-color: #3e8f3e;
 }
-.btn-success:disabled,
-.btn-success[disabled] {
+.btn-success.disabled,
+.btn-success[disabled],
+fieldset[disabled] .btn-success,
+.btn-success.disabled:hover,
+.btn-success[disabled]:hover,
+fieldset[disabled] .btn-success:hover,
+.btn-success.disabled:focus,
+.btn-success[disabled]:focus,
+fieldset[disabled] .btn-success:focus,
+.btn-success.disabled.focus,
+.btn-success[disabled].focus,
+fieldset[disabled] .btn-success.focus,
+.btn-success.disabled:active,
+.btn-success[disabled]:active,
+fieldset[disabled] .btn-success:active,
+.btn-success.disabled.active,
+.btn-success[disabled].active,
+fieldset[disabled] .btn-success.active {
   background-color: #419641;
   background-image: none;
 }
@@ -138,8 +206,24 @@
   background-color: #2aabd2;
   border-color: #28a4c9;
 }
-.btn-info:disabled,
-.btn-info[disabled] {
+.btn-info.disabled,
+.btn-info[disabled],
+fieldset[disabled] .btn-info,
+.btn-info.disabled:hover,
+.btn-info[disabled]:hover,
+fieldset[disabled] .btn-info:hover,
+.btn-info.disabled:focus,
+.btn-info[disabled]:focus,
+fieldset[disabled] .btn-info:focus,
+.btn-info.disabled.focus,
+.btn-info[disabled].focus,
+fieldset[disabled] .btn-info.focus,
+.btn-info.disabled:active,
+.btn-info[disabled]:active,
+fieldset[disabled] .btn-info:active,
+.btn-info.disabled.active,
+.btn-info[disabled].active,
+fieldset[disabled] .btn-info.active {
   background-color: #2aabd2;
   background-image: none;
 }
@@ -163,8 +247,24 @@
   background-color: #eb9316;
   border-color: #e38d13;
 }
-.btn-warning:disabled,
-.btn-warning[disabled] {
+.btn-warning.disabled,
+.btn-warning[disabled],
+fieldset[disabled] .btn-warning,
+.btn-warning.disabled:hover,
+.btn-warning[disabled]:hover,
+fieldset[disabled] .btn-warning:hover,
+.btn-warning.disabled:focus,
+.btn-warning[disabled]:focus,
+fieldset[disabled] .btn-warning:focus,
+.btn-warning.disabled.focus,
+.btn-warning[disabled].focus,
+fieldset[disabled] .btn-warning.focus,
+.btn-warning.disabled:active,
+.btn-warning[disabled]:active,
+fieldset[disabled] .btn-warning:active,
+.btn-warning.disabled.active,
+.btn-warning[disabled].active,
+fieldset[disabled] .btn-warning.active {
   background-color: #eb9316;
   background-image: none;
 }
@@ -188,8 +288,24 @@
   background-color: #c12e2a;
   border-color: #b92c28;
 }
-.btn-danger:disabled,
-.btn-danger[disabled] {
+.btn-danger.disabled,
+.btn-danger[disabled],
+fieldset[disabled] .btn-danger,
+.btn-danger.disabled:hover,
+.btn-danger[disabled]:hover,
+fieldset[disabled] .btn-danger:hover,
+.btn-danger.disabled:focus,
+.btn-danger[disabled]:focus,
+fieldset[disabled] .btn-danger:focus,
+.btn-danger.disabled.focus,
+.btn-danger[disabled].focus,
+fieldset[disabled] .btn-danger.focus,
+.btn-danger.disabled:active,
+.btn-danger[disabled]:active,
+fieldset[disabled] .btn-danger:active,
+.btn-danger.disabled.active,
+.btn-danger[disabled].active,
+fieldset[disabled] .btn-danger.active {
   background-color: #c12e2a;
   background-image: none;
 }
@@ -254,6 +370,7 @@
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff3c3c3c', endColorstr='#ff222222', GradientType=0);
   filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
   background-repeat: repeat-x;
+  border-radius: 4px;
 }
 .navbar-inverse .navbar-nav > .open > a,
 .navbar-inverse .navbar-nav > .active > a {