Update match-multiple.tpl.html

Fix to prevent clicks being swallowed when clicking on the 'x' within the multiple select pill.

Author: FoxBuchele

src/bootstrap/match-multiple.tpl.html

@@ -1,6 +1,6 @@
 <span class="ui-select-match">
   <span ng-repeat="$item in $select.selected">
-    <button 
+    <span 
       style="margin-right: 3px;"
       class="ui-select-match-item btn btn-default btn-xs"
       tabindex="-1"
@@ -10,6 +10,6 @@
       ng-class="{'btn-primary':$select.activeMatchIndex === $index}">
         <span class="close ui-select-match-close" ng-hide="$select.disabled" ng-click="$select.removeChoice($index)">&nbsp;&times;</span>
         <span uis-transclude-append></span>
-    </button>
+    </span>
   </span>
-</span>
+</span>