Add changes to make the UUID build actually work properly for the Manager.
Update version number.
Merge branch 'hotfix/1.5.1' into develop

* hotfix/1.5.1:
  Update version number.
  Add changes to make the UUID build actually work properly for the Manager.
Merge branch 'develop' of github.com:lksoft/MailPluginManager into develop

* 'develop' of github.com:lksoft/MailPluginManager:
  Update UUIDS