Merged in prusnak/love-android-sdl2 (pull request #1)

add assets/ and gen/ to .gitignore; remove unused files from res/

.gitignore

@@ -1,4 +1,6 @@
+assets/
 bin/
+gen/
 libs/
 obj/
 .*.swp

res/layout/main.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
-    android:layout_width="fill_parent"
-    android:layout_height="fill_parent"
-    >
-<TextView  
-    android:layout_width="fill_parent" 
-    android:layout_height="wrap_content" 
-    android:text="Hello World, SDLActivity"
-    />
-</LinearLayout>
-

res/values/strings.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="app_name">SDL App</string>
-</resources>