Issue fix #4 - Crash on the launch of GalleryActivity - IllegalArgumentException: No config chosen

Solution was found on stack overflow
	http://stackoverflow.com/questions/6594636/java-lang-illegalargumentexception-no-configs-match-configspec-while-openin
	http://stackoverflow.com/questions/14167319/android-opengl-demo-no-config-chosen

Error message was:
	03-09 14:31:02.927: E/AndroidRuntime(986): java.lang.IllegalArgumentException: No config chosen
	03-09 14:31:02.927: E/AndroidRuntime(986): 	at android.opengl.GLSurfaceView$BaseConfigChooser.chooseConfig(GLSurfaceView.java:874)
	03-09 14:31:02.927: E/AndroidRuntime(986): 	at android.opengl.GLSurfaceView$EglHelper.start(GLSurfaceView.java:1024)
	03-09 14:31:02.927: E/AndroidRuntime(986): 	at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1401)
	03-09 14:31:02.927: E/AndroidRuntime(986): 	at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1240)
Updated readme to put GLWallpaperService.jar into libs/ rather than lib/ in new Live Wallpaper projects.

Prevents ClassNotFoundException from being thrown while loading the user's WallpaperService class.

https://github.com/markfguerra/GLWallpaperService/issues/28
http://stackoverflow.com/questions/10074938/android-class-path-exception

From the docs:
http://tools.android.com/recent/dealingwithdependenciesinandroidprojects
Merge pull request #4 from markfguerra/fix-gallery-crash

GalleryActivity crashes on launch - IllegalArgumentException: No config chosen
Merge pull request #6 from markfguerra/readme-jar-folder

Readme should tell users to put the jar into libs/ rather than lib/