Implement fix for IE11 on blur

See selectize#997

Author: joeholdcroft

dist/js/selectize.js

@@ -1068,7 +1068,7 @@
 				self.refreshState();
 
 				// IE11 bug: element still marked as active
-				(dest || document.body).focus();
+				dest && dest.focus && dest.focus();
 
 				self.ignoreFocus = false;
 				self.trigger('blur');

dist/js/selectize.min.js

@@ -420,14 +420,14 @@
 		return (str + '').replace(/([.?*+^$[\]\\(){}|-])/g, '\\$1');
 	};
 
-	var is_array = Array.isArray || ($ && $.isArray) || function(object) {
+	var is_array = Array.isArray || (typeof $ !== 'undefined' && $.isArray) || function(object) {
 		return Object.prototype.toString.call(object) === '[object Array]';
 	};
 
 	var DIACRITICS = {
 		'a': '[aÀÁÂÃÄÅàáâãäåĀāąĄ]',
 		'c': '[cÇçćĆčČ]',
-		'd': '[dđĐďĎ]',
+		'd': '[dđĐďĎð]',
 		'e': '[eÈÉÊËèéêëěĚĒēęĘ]',
 		'i': '[iÌÍÎÏìíîïĪī]',
 		'l': '[lłŁ]',
@@ -1677,7 +1677,7 @@
 				self.refreshState();
 
 				// IE11 bug: element still marked as active
-				(dest || document.body).focus();
+				dest && dest.focus && dest.focus();
 
 				self.ignoreFocus = false;
 				self.trigger('blur');