Modified ctl:request to allow xsl elements as immediate children so parameters can be included conditionally.  Also merged the fn-code mode ctl:request code with the standard ctl:request code.
Modified ctl:request to allow xsl elements as immediate children so parameters can be included conditionally.  Also merged the fn-code mode ctl:request code with the standard ctl:request code.

git-svn-id: 78af1e1b74da535b2dc32c108071d0d938ac4dca@273 24c30046-25e5-4eec-8353-25991c8b1332

opengeospatial/teamengine,opengeospatial/teamengine,opengeospatial/teamengine,opengeospatial/teamengine