Fixes failing tests

Adds a seperate unit test app loader, removes e2e backend from tests
adds scope.digest and httpbackend.flush to tests

src/Umbraco.Web.UI.Client/test/config/app.unit.js

@@ -0,0 +1,8 @@
+var app = angular.module('umbraco', [
+	'umbraco.filters',
+	'umbraco.directives',
+	'umbraco.resources',
+	'umbraco.services',
+	'umbraco.mocks',
+	'umbraco.security'
+]);

src/Umbraco.Web.UI.Client/test/config/karma.conf.js

@@ -12,13 +12,16 @@ module.exports = function(karma) {
         'lib/underscore/underscore.js',
         'test/lib/angular/angular-mocks.js',
         'lib/umbraco/Extensions.js',
-        'src/app_dev.js',
+        
+        'test/config/app.unit.js',
+        'src/common/mocks/umbraco.servervariables.js',
+
         'src/common/directives/*.js',
         'src/common/filters/*.js',
         'src/common/services/*.js',
         'src/common/security/*.js',
         'src/common/resources/*.js',
-        'src/common/mocks/**/*.js',
+        'src/common/mocks/resources/*.js',
         'src/views/**/*.controller.js',
         'test/unit/**/*.spec.js'
     ],