* IDEMPIERE-3101 implement OAuth2 for mail (gmail, outlook and other mail system)
WIP - initial version working on zk with google apps mail using OAuth2 Authorization Code Flow and Client Type = web application
* Enable imap reading with OAuth2 in RequestEMailProcessor
* Simplify the code - tested plain and OAuth2 can use the same methods
* Add +SCOPE parameter to AddAuthorizationForm according to IDEMPIERE-4713
* Rename the form AddAuthorizationMailForm to AddAuthorizationForm as is now more generic
* IDEMPIERE-4713
* Rename migration scripts to make it newer than IDEMPIERE-4713
* Add list of scopes attended by a credential
* Change form to accept other scopes, if no scope parameter is passed, then a list is shown, change the menu to fix the EMail scope
* Add MAuthorizationAccount.refreshAndGetAccessToken
* Add translation for messages
* make call generic oauth, avoid using specific google API
* Tests with microsoft as OAuth2 provider
* Add record for microsoft as provider
* Increase size of tokens
* Define mandatory and secure columns
* Update refresh token when it comes on the refresh call
* Revoke endpoint is optional
* Change the approach to a process instead of a form (WIP)
* Implement servlet to process the OAuth2 code
* Solve context suggestion from hengsin
* Implement the form in an automatic popup approach for running on zkwebui
* i18n - add translations for all messages that are shown to user
* on the form opted for click to avoid the problem with browsers forbidding popups
* clean spaces and tabs on line endings
* avoid logging and copy of the secure columns
* Fix problem reported by @d-ruiz about hidden NPE when SMTP Authentication is disabled
* Add writing to AD_PInstance_Para and AD_PInstance_Log the results of processing the servlet
* Control to avoid using the same authorization URL twice
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