spherical ridgelets v.1.2

Simplified requirements for the input dmri file.
Allow using external diffusion-encoding gradient table as the main one for bases computations.

spherical ridgelets v.1.1

The function responsible for mask file reading fixed
Order of the icosahedron tesselations added as input CLI parameter. Four is set as default.
Memory consumption estimation added (+console output)
Speed and memory optimizations
FISTA convergence tolerance and number of iterations parameters were added

spherical ridgelets v.1.0

First Release