Recently we added support to the new OAuth SSO methods (Google,
Facebook, Microsoft) and identity providers, that will require
launchurl to be returned always by tool_mobile_get_public_config
It is safe to return always the launchurl, the main reason to not
return it was to reduce data returned by Web Services when was not
required.
We din't call it SSO because:
- SSO usually requires a 3rd party for authentication
- SSO term is already used in tool_mobile when supporting using auth methods like CAS or Shibboleth
Juan Leyva