Add splash image to xFaceApolloPlayer project

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17695]
Extracted public interface "startNativeApp" from XAppExt class.

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17722]
Changed "code" to "errorcode" in AppInstallListener and AppStartListener class

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17723]