* Add vector field
* Improvements to CUDA and OpenCL interop
* Use cudaGraphicsResource_t instead of cudGraphicsResource*

* Deprecate plot3/scatter3
* Add af_draw_[plot, scatter]_[nd, 2d, 3d]
* Deprecate af_draw_plot3 and af_draw_scatter3
* Clean up wrapper functions for plot

* Surface: Red -> Green
* Vector Field: Red -> Yellow

* setAxesTitles can be used to set titles
* setAxesLimits can take in arrays or floats
  * The exact argument can be used to use exact min/max values or to use
    buffered space

Signed-off-by: Shehzan Mohammed <shehzan@arrayfire.com>

Signed-off-by: Shehzan Mohammed <shehzan@arrayfire.com>