yaz 5.0.12 / pazpar2 1.6.38+HEAD

The latest pazpar2 patches enable using XInclude
in configuration files.

We can switch back to using Index Data’s standard
pazpar2 without patches with this.
remove JSTOR configuration (unused/dysfunctional)
remove zebra settings (old/unused)
remove PIO setting (unused/dysfunctional)
remove settings for old GBV servers
remove Z39.50 SUB Guides configuration (unused/dysfunctional)

switched to Solr long ago
remove old vifamath Solr configuration (unused/dysfunctional)

moved to a new index since
remove unused St. Gallen configuration (unused/dysfunctional)
Remove unfinished COPAC settings
re-organise configuration files

* add subfolders in services for each server
* rename a few folders
* more consistent names for settings files (prefix by country/library union, all lowercase)
* subfolder structure for xsl folder
	* convert: basic conversion to the pz:metadata model
	* pz: generic changes to the pz:metadata model
		* final: finish conversion of all records by applying finalise.xsl
		* medium
		* language
	* tmarc: generic changes on TurboMARC data
	* target: target specific changes, file names end in -pre for XSL operating on raw server data and -post for XSL operating on the pz:metadata model
	* unused: XSL that were created but are not currently in use
vifanord: set up server, service and settings

* HGW.xml: service file
* add/improve settings for many targets
* add/improve conversion of Unimarc and MAB data
update readme for the new repository structure
catalogue-url-create: only create URL when there is a prefix or postfix
gbv-tmarc: extract library and call number information
metadata-splitter: also trim whitespace of last element
improve pz/medium XLSs; add XSLs for  book, article
vifanord: add databases from zSQL gateway
vifanord: attach region information to databases
vifanord: improve target configuration
vifanord: improve WAO configuration and region extraction