merge 1.8.1 to head
-use jsp rather than html files so hat the server context can be looked up on the fly (as well as additional options from the MetacatUtil class).-incorporate the use of relative paths in the XML configuration (doctype=>stylesheet mapping)
Note: still using ant tokens in the .cfg file used for perl...not sure how to convert that.
Updated the NCEAS skin for various fixes: Rewrote the login XSLT to work correctly. Added a login status button to the page headers. Modified the header image to disable the global site search used on the NCEAS homepage. Removed former IFRAME cruft.
Adding style files for the new NCEAS skin for metacat, which includesfiles needed for the NCEAS data repository.