Translate extension has supported for a long time having any language as the source language. There just has not been an interface in MediaWiki to set the source language of a page.
The good news is that Kunal Grover, a GSoC student has created Special:PageLanguage to do just that. [1] I expect it will be available quite soon.
In the future, please use a subject line which does not sound like an accusation.
-Niklas
[1] https://www.mediawiki.org/wiki/User:Kunalgrover05/Progress_Report