Scipion-em-cistem

Users:
- Improve import TomoCTF matching.
- Fix TS Ctffind parallelization.
Developers:
- Update CTF estimation tests with a subset of 2 TS from relion tutorial test dataset.
- Add tests for the protocol TS Ctffind import CTF.

- Import TomoCTF allows deletion of outputs that may have been created by yhe CTFTomo viewer.

- refine2d protocol speed up by JoQCcoz
- attempt to fix running in threads (68)

- check for negative defocus
- update test params for tilt series ctf

- add possible outputs dict
- refactor output txt parsing
- refactor tilt-series ctffind protocol to work on TS stacks