Email-based self-registration with admin confirmation

Provides email-based self-registration with admin confirmation instead of user confirmation.
Please read the  INSTALL  file carefully
Moodle plugin to provide email self-registration with admin confirmation.
The confirmation email is sent to the main admin account’s email address.
When the admin clicks on the confirmation link, a “welcome” email is sent to the user.
Email body needs to be customized within the language file.
Based on default email-based self-registration module.
What’s new in 1.4.6
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Issues fixed (thanks to KerstinSc , deds :,  gmrsagar  for their contributions):
ISSUE-50: Proper escaping of single qutoes in lang file,
ISSUE-45: User can login without admin’s intervention (using Re-send confirmation button),
ISSUE-42: Privacy provider test failing,
ISSUE-38: Confirmation message to the admin gives randomly wrong user name.
What’s new in 1.4.5
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Compatibility fix for Moodle 3.9
What’s new in 1.4.4
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fix(ISSUE-29): repairs config reference for Captcha after Settings API migration