OF-2869: Add Persian (fa_IR) translation
This adds a new translation to Openfire: Persian (Farsi). Many thanks to Akbar Azimifar, who provided the translation!
OF-2867: Openfire setup should not use removed code
By removing deprecated code, the Openfire setup failed. Specifically, a validation that checks for some runtime configuration failed, because it no longer could identify the 'home' directory. As this implementation used Java reflection, it went below the radar until now.
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