Configure the fost-android-ndk submodule as a dependant library.
Make sure we recurse down an extra level when updating submodules.
Submodule Boost 2c2a7e9..1e63d6b:

> Ignore any git based checkout we may have.
Add in proper recursion for submodule syncs andd updates.
Merge branch 'master' of github.com:KayEss/fost-dev

Conflicts:
	Boost
	fost-android.py