Scipion-app

- Plugin refreshes completely after a plugin update avoiding mixing definition of old and new binaries

- scipion3 config -p xxx shows list of available modules if xxx is not found
- scipion3 inspect: shows a list of available modules. all argument list all discovered elements.
- Allowing to install plugins via .toml file
- Sets value for the attributes that need to be obtained from pypi
- Default viewers for some tomo sets: Masks, Meshes and Coordinates3D

- Fix config --overwrite: scipion.template (deleted) not needed.

- Template window shows browser icons
- Template window adapted to use workflow hub templates
developers:
- Inspect is debugeable

- Extending the CondaCommanDef class to allow environment creation using .yml files

- Adapted to variables registry
- printenv refactored (does not print export) and is more detailed.
- Replace pip internal command with subprocess call