Updated I18n-instructions in README; on the I18n-support for fieldset titles/legends. Also clarifying some stuff.
Updated I18n-instructions in README; on the I18n-support for fieldset titles/legends. Also clarifying some stuff.

Signed-off-by: Justin French <0ce7911e6479995d6c346d6f03eb723b5135309e@indent.com.au>
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