Merge branch 'master' into gh-pages

jquery.isotope.js

@@ -1,5 +1,5 @@
 /**
- * Isotope v1.5.20
+ * Isotope v1.5.21
  * An exquisite jQuery plugin for magical layouts
  * http://isotope.metafizzy.co
  *
@@ -804,11 +804,12 @@
 
     // removes elements from Isotope widget
     remove: function( $content, callback ) {
-      // remove elements from Isotope instance in callback
-      var instance = this;
+      // remove elements immediately from Isotope instance
+      this.$allAtoms = this.$allAtoms.not( $content );
+      this.$filteredAtoms = this.$filteredAtoms.not( $content );
       // remove() as a callback, for after transition / animation
+      var instance = this;
       var removeContent = function() {
-        instance.$allAtoms = instance.$allAtoms.not( $content );
         $content.remove();
         if ( callback ) {
           callback.call( instance.element );
@@ -818,7 +819,6 @@
       if ( $content.filter( ':not(.' + this.options.hiddenClass + ')' ).length ) {
         // if any non-hidden content needs to be removed
         this.styleQueue.push({ $el: $content, style: this.options.hiddenStyle });
-        this.$filteredAtoms = this.$filteredAtoms.not( $content );
         this._sort();
         this.reLayout( removeContent );
       } else {