update bootstrap-datetimepicker to 4.17.47 (#20)

* update bootstrap-datetimepicker  to 4.17.47
* use jquery trim for IE8 (only not minified version bootstrap-datetimepicker.js)

Author: Moritz M

webroot/css/vendor/bootstrap-datetimepicker.css

@@ -1,12 +1,13 @@
 /*!
  * Datetimepicker for Bootstrap 3
- * version : 4.17.37
+ * version : 4.17.47
  * https://github.com/Eonasdan/bootstrap-datetimepicker/
  */
-.bootstrap-datetimepicker-widget {
+ .bootstrap-datetimepicker-widget {
   list-style: none;
 }
 .bootstrap-datetimepicker-widget.dropdown-menu {
+  display: block;
   margin: 2px 0;
   padding: 4px;
   width: 19em;
@@ -35,7 +36,7 @@
 .bootstrap-datetimepicker-widget.dropdown-menu.bottom:before {
   border-left: 7px solid transparent;
   border-right: 7px solid transparent;
-  border-bottom: 7px solid #cccccc;
+  border-bottom: 7px solid #ccc;
   border-bottom-color: rgba(0, 0, 0, 0.2);
   top: -7px;
   left: 7px;
@@ -50,7 +51,7 @@
 .bootstrap-datetimepicker-widget.dropdown-menu.top:before {
   border-left: 7px solid transparent;
   border-right: 7px solid transparent;
-  border-top: 7px solid #cccccc;
+  border-top: 7px solid #ccc;
   border-top-color: rgba(0, 0, 0, 0.2);
   bottom: -7px;
   left: 6px;
@@ -311,7 +312,7 @@
 .bootstrap-datetimepicker-widget table td.active,
 .bootstrap-datetimepicker-widget table td.active:hover {
   background-color: #337ab7;
-  color: #ffffff;
+  color: #fff;
   text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
 }
 .bootstrap-datetimepicker-widget table td.active.today:before {
@@ -338,7 +339,7 @@
 }
 .bootstrap-datetimepicker-widget table td span.active {
   background-color: #337ab7;
-  color: #ffffff;
+  color: #fff;
   text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
 }
 .bootstrap-datetimepicker-widget table td span.old {
@@ -372,4 +373,4 @@
   overflow: hidden;
   clip: rect(0, 0, 0, 0);
   border: 0;
-}
+}