fix(tooltip): support IE8

Author: selfservices

src/tooltip/tooltip.js

@@ -96,14 +96,14 @@ angular.module( 'ui.bootstrap.tooltip', [ 'ui.bootstrap.position', 'ui.bootstrap
       var startSym = $interpolate.startSymbol();
       var endSym = $interpolate.endSymbol();
       var template = 
-        '<'+ directiveName +'-popup '+
+        '<div '+ directiveName +'-popup '+
           'title="'+startSym+'tt_title'+endSym+'" '+
           'content="'+startSym+'tt_content'+endSym+'" '+
           'placement="'+startSym+'tt_placement'+endSym+'" '+
           'animation="tt_animation" '+
           'is-open="tt_isOpen"'+
           '>'+
-        '</'+ directiveName +'-popup>';
+        '</div>';
 
       return {
         restrict: 'EA',
@@ -321,7 +321,7 @@ angular.module( 'ui.bootstrap.tooltip', [ 'ui.bootstrap.position', 'ui.bootstrap
 
 .directive( 'tooltipPopup', function () {
   return {
-    restrict: 'E',
+    restrict: 'EA',
     replace: true,
     scope: { content: '@', placement: '@', animation: '&', isOpen: '&' },
     templateUrl: 'template/tooltip/tooltip-popup.html'
@@ -334,7 +334,7 @@ angular.module( 'ui.bootstrap.tooltip', [ 'ui.bootstrap.position', 'ui.bootstrap
 
 .directive( 'tooltipHtmlUnsafePopup', function () {
   return {
-    restrict: 'E',
+    restrict: 'EA',
     replace: true,
     scope: { content: '@', placement: '@', animation: '&', isOpen: '&' },
     templateUrl: 'template/tooltip/tooltip-html-unsafe-popup.html'