fix(app): remove IE8 support

Removes the es5-shim and json3 that IE7/8 needed. Angular 1.3 no longer
supports these so keep support for them seems moot.

BREAKING CHANGE: Removed IE8 support files

Fixes #923

readme.md

@@ -242,6 +242,8 @@ The following additional modules are available as components on bower, and insta
 
 All of these can be updated with `bower update` as new versions of AngularJS are released.
 
+`json3` and `es5-shim` have been removed as Angular 1.3 has dropped IE8 support and that is the last version that needed these shims. If you still require these, you can include them with: `bower install --save json3 es5-shim`. `wiredep` should add them to your index.html file but if not you can manually add them.
+
 ## Configuration
 Yeoman generated projects can be further tweaked according to your needs by modifying project files appropriately.
 

templates/common/app/index.html

@@ -75,13 +75,6 @@
        ga('send', 'pageview');
     </script>
 
-    <!-- build:js(.) scripts/oldieshim.js -->
-    <!--[if lt IE 9]>
-    <script src="bower_components/es5-shim/es5-shim.js"></script>
-    <script src="bower_components/json3/lib/json3.js"></script>
-    <![endif]-->
-    <!-- endbuild -->
-
     <!-- build:js(.) scripts/vendor.js -->
     <!-- bower:js -->
     <!-- endbower -->

templates/common/root/_bower.json

@@ -2,9 +2,7 @@
   "name": "<%= _.slugify(_.humanize(appname)) %>",
   "version": "0.0.0",
   "dependencies": {
-    "angular": "^<%= ngVer %>",
-    "json3": "^3.3.0",
-    "es5-shim": "^4.0.0"<% if (bootstrap) { %>,<% if (!compassBootstrap) { %>
+    "angular": "^<%= ngVer %>"<% if (bootstrap) { %>,<% if (!compassBootstrap) { %>
     "bootstrap": "^3.2.0"<% } else { %>
     "bootstrap-sass-official": "^3.2.0"<% } } %><% if (animateModule) { %>,
     "angular-animate": "^<%= ngVer %>"<% } %><% if (ariaModule) { %>,