This is a bug fix release of the EESSI test-suite
Bug fix:
- Add exact_memory attribute to tests that are not inheriting from EESSI_Mixin to avoid '' object has no attribute 'exact_memory' failure #245, fixes #252
Other updates:
- Prefix mixin method names to avoid accidental overrides #246
- Use CI constant (instead of 'CI' as string) #247
- Ported ESPResSo to EESSI_Mixin #248
- Simplify
executable_opts with new variable user_executable_opts #249
- Update example_settings.py config file #254
