Avoid memory leak.
Merge pull request #1 from micahpearlman/master

got rid of the boost framework
Output library both for iPad and iPhone.
Implement VG_QUAD_TO in buildStroke(). Enable to free GL context.

Reorder Initialize() statement in vgCreateContextMNK() to avoid a warning about zero width.
Enable to free GL context in vgDestroyContextMNK(), so GL views can be created multiple times.
Remove unnecessary boost header files for Android.
Fix compiler errors for Android: support for C++11, 'std::malloc' was not declared.
Fix the Android test application.
1. Don't link libOpenVG for the libOpenVGU static library, or fail to compile libmonkvg.so.
2. Call vgCreateContextMNK and vgResizeSurfaceMNK to create gl() object.
3. Call glView.setEGLContextClientVersion(2) to use OpenGL 2.0.

But I can't see any shape except the green screen on Moto pad, invalid transform?
Fix buildFatLineSegment() to avoid too bold width.
Fix the warning of static library need't ld.
Merge pull request #24 from rhcad/master

Implement VG_QUAD_TO in buildStroke(). Enable to free GL context and create GL view multiple times..