[Exist-open] Relative path references when using the XSLT include

[Dan M. <dan...@gm...>]

It is quite challenging to get the right combination of path references when
using XSLT import. Especially when you are mixing both client and server
XSLT.

We have a few guild lines here:

http://en.wikibooks.org/wiki/XQuery/XQuery_and_XSLT#Using_XSLT_Imports

- Dan