Gratopy

This is the first release of the *gratopy* toolbox (**Gr**az **a**ccelerated **to**mographic projections for **Py**thon).

Highlights
* Easy-to-use tomographic projection toolbox.
* High-quality 2D projection operators.
* Fast projection due to custom OpenCL/GPU implementation.
* Seamless integration into PyOpenCL.
* Basic iterative reconstruction schemes included (Landweber, CG, total variation).
* Comprehensive documentation, tests and example code.

This is the first pre-release of the _Graz accelerated tomographic projections for Python_.

**Highlights**
* Easy-to-use tomographic projection toolbox.
* High-quality 2D projection operators.
* Fast projection due to custom OpenCL/GPU implementation.
* Seamless integration into PyOpenCL.
* Basic iterative reconstruction schemes included (Landweber, CG, total variation).
* Comprehensive documentation, tests and example code.