Added Models App, Installation Batch Installation

spec/factories/app.rb

@@ -0,0 +1,7 @@
+FactoryGirl.define do
+  factory :app do
+    name "My Ultimate Application"
+    package_name "my.ultimate.application"
+  end
+
+end

spec/factories/batch_installations.rb

@@ -0,0 +1,6 @@
+FactoryGirl.define do
+  factory :batch_installation do
+    app_id 1
+  end
+
+end

spec/factories/installations.rb

@@ -0,0 +1,8 @@
+FactoryGirl.define do
+  factory :installation do
+    device_id 1
+    batch_installation_id 1
+    status 1
+  end
+
+end