Support Nexus in google cardboard. Small bugfix in oculus mobile

.../com/google/vr/ndk/samples/treasurehunt/MainActivity.java

...dboardAndroid/NOMADgvrT/src/main/jni/treasure_hunt_jni.cc

...dAndroid/NOMADgvrT/src/main/jni/treasure_hunt_renderer.cc

...rdAndroid/NOMADgvrT/src/main/jni/treasure_hunt_renderer.h

GoogleCardboardAndroid/readme.md

NOMADVRLib/ConfigFile.cpp

NOMADVRLib/UnitCellShaders.cpp

NOMADVRLib/atoms.cpp

NOMADVRLib/atomsGL.cpp

OculusMobile/NOMADGearvrT/Src/OvrApp.cpp

README.md