[development] translation for the installer?

[Gerhard Killesreiter]

Gabor Hojtsy wrote:

>  - using PO files allows us to look for prospecting projects like
>    utilizing the gettext PHP extension, which is expected (although
>    not proved) to be quicker then hammering the database with t()
>    requests [note that gettext is a rarely setup extension to PHP,
>    so it should not be relied upon completely]

I've recently tried this and it wasn't much better than our current way 
of caching t'ed strings.

Cheers,
	Gerhard