Tut03, Tut04
------------

I/stdout  ( 4686): In mgmain JNI_OnLoad
I/stderr  ( 4686): triangle.f.glsl:Compile failed.
I/stderr  ( 4686): ERROR: 0:1: 'vec3' : No precision defined for this type
I/stderr  ( 4686): ERROR: 0:2: 'float' : No precision defined for this type

=> add:
precision mediump float;
at the top of the shader.


Tut04
-----

/usr/src/glm/glm/glm.hpp:86:18: error: limits: No such file or directory

=> add STL support in jni/Application.mk:
APP_STL := stlport_static