fix($compile): swap keys and values for transclude definition object

Author: petebacondarwin

src/ng/directive/ngTransclude.js

@@ -117,9 +117,9 @@
           return {
             restrict: 'E',
             transclude: {
-              'paneTitle': '?title',
-              'paneBody': 'body',
-              'paneFooter': '?footer'
+              'title': '?paneTitle',
+              'body': 'paneBody',
+              'footer': '?paneFooter'
             },
             template: '<div style="border: 1px solid black;">' +
                         '<div ng-transclude="title" style="background-color: gray"></div>' +