Allow override of admin email.

+ Can now pass override for admin email as command line argument.
Run all xslts in the xslt directory
Only replace the matched attributes
Merge pull request #32 from leftclickben/TestInstall

Allow override of admin email.
Actually only replace the attribute
* The previous commit resulted in the the en_AU being prefixed to the element rather than as an attribute
Merge pull request #31 from kehh/stipLocales

Run all xslts in the xslt directory