add ndk support (jni directory) and fix compilation/link error on build for android
change setting to create static yue library (for liking with moai)
fix bug that build libyue for the first time obj/local/armeabi not exist and copy fails.
fix ndk build scripts
make android ndk path detected automatically
tweak integration with MOAI
use OS dependent default IF for MAC address
Merge pull request #18 from umegaya/feature/build_android

add ndk support (jni directory) and fix compilation/link error on build ...