Introduce this code in order to simplify the code and introduce some kind of reusable API.

Check if the software installation is really well installed before continue

The upgrade_scope is disabled, not never, so added disabled and kept never
for backward compatibility.

Software Installations should be accessible for the users who can also accesss the aggreagted computer

Filter by slap_state makes the alarm don't wait for computer contact (which is unnecessary).

   Drop SlapOSMachineAuthenticationPlugin to use ERP5ExternalAuthenticationPluging instead

   The code was merged into ERP5 Security, so this code is obsolte

This is just a help script to check if Skins are supposed to in the test files

Remove unused code and minor bug fixes

Move out tests related to Regularization requets to testSlapOSCRMRegularisationRequestSkins

   Move code related to Certificate Authorithy to generic bt5
   Certificate authority is installed via erp5_certificate_authority bt5
   Person re-definition was moved into erp5_certificate_authority business templates

   extra:
      slapos_configurator: Update test to include new dependency

Use the new URL that are worldwide accessible

/reviewed-on !126

  This was accidently reverted.

  This save us to call a jio_get later per line in a loop

  The API must relies on Hateoas API based on JIO only.