* Uses NDK modules as the basis of the build system for Android NDK
* Add a cocos2dx module to generate a shared library named cocos2dx_shared. Library name is still libcocos2d.so
* The dependencies of this module are also Android NDK modules
* ... which are prebuilt static libraries from the png, jpeg and xml2 modules.
* Dependency library names set to libjpeg, libpng, etc. even though we are building variants with names like jpeg_shared.