added multiselect widget
simplified  - removed ns guessing from root-elem name
added recursive grouping, however meanwhile obsoleted, because outsourced to xquery:
fcs:group-by-facet(); index.xsl currently only used for subsequence (which could be moved to xquery as well)
removed test file
moved all restxq functions to a separate file - currently just stub - needs to be checked and hooked to the actual target functions
templates for project config and project cmd record
added properties for system.account + some explanatory remarks
just indenting
added system-account variables