You can edit these files to rename everything that you see on q2a pages.
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qa-lang-admin
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qa-lang-emails
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qa-lang-main
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qa-lang-misc
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qa-lang-options
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qa-lang-profile
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qa-lang-question
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qa-lang-users
To do that easy , you can open files by NotePad++ and search the "text" amont all opened document / find and rename it.