Added Doxygen generator.
Doc for matlab helpers.
Added main page.
Clean up of matlab examples.
Clean up of matlab examples.
Doc for gpuNUFFT_types.
Doc for gpuNUFFT utils.
Add generation warning to config files.
Further doc entries.
GpuNUFFT operator doc.
Added furhter documentation.
Added doc for matlab wrapper.
Removed superfluous demo scripts/files.
Adds new test script of Florian.
Adds new test data from Florian.
Adds missing util functions.
Merge pull request #49 from andyschwarzl/doc

Doxygen Documentation. Fix #46.