Saffron

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Add Ant build file, GLFW demo can now be run with `demo/saffron_glfw_demo.sh --java` \o/

Add Java/LWJGL support to GLFW utility

Add Java support to core and GL components

Fix Java version of demo/timer.m

Add support for running Java versions of demos by adding --java as the first argument to the demo script

Update copyright year

Add GLFW delegate window backend.

This doesn't yet have a Java implementation, but providing one with LWJGL is
the next step for a usable Java backend.

Add color-buffer masked draw typeclasses. I thought we already had this?

Add asserts for sizes when creating OpenGL textures from bitmaps.

Add convenience functions to Saffron window delegate

Also move the 'quit' component of the delegate interface to a return value from
'update'. This more closely matches how OS X and GLFW will work, and should be
easy to implement for other backends if they tell the delegate to quit instead.

Add Saffron window delegate utility.

This is used for windowing backends that must provide a delegate/callbacks for
input and redraw. This will be needed for GLFW (mostly useful for Java), OS X,
and Android.

Fix wrong link flags on OpenBSD/NetBSD

Change OpenGL2 matrices to be passed in as row-major, to match the mmath usage

Add shader support to GL2 backend, include a simple demo

Add shader group support to saffron.draw

Add missing shader functions for uniforms

Add missing shader functions to create a shader program purely in Mercury

Remove unused import for the cube demo

Add platform-conditional checks in generated extension code

Change extension structure generation to avoid unnecessary fields in structs and do alloc on the caller-side

Update some OpenGL expectations

Make supports_extension a generic function on any GL context that has a gl_load_func_ctx.

This prevents the circular dependency on needing a gl_ctx for the context to test, and needing to test for extensions to create the context.

Some cleanups in Unix makefile

Add more extensive OpenGL shader API wrapper

Fix code generation for bindings that do not have a core version

Fix support for non-GL3+ systems

Generate OpenGL extension and post-1.1 bindings automatically

Update mmath

Update mmath

Remove old-style bindings for glDrawTextureNV