Scipion-em-sphire

- complete refactoring of the plugin by GS
- Add cryolo 1.8.5 support
- fix 67, 74

-- Checking the cuda version in order to create the installation command

3.0.2, Allowing CPU integration for crYOLO predict.

- python 3 migration
- cryolo updated to 1.7.2
v1.3.0, 21/11/2019 -- Janni denoising protocol added. Picking in negative stain micrographs added.
v1.4.0, 17/04/2020 -- Updated to crYOLO 1.6.1.
v1.4.1. 21/04/2020 -- Add variable to select which CUDA to use. Fix bibtex.