Add serialization tests for item-separator
Delete tests that depend on maps having a collation (affects XSLT only)
Add tests for new (XSLT 3.0) collation-key function
Correct metadata for test XQST0085b - cosmetic change only.
O'Neil: Added files to convert XQuery files to XQueryX equivelent.
O'Neil: Added xqueryx.zip file. QT3 tests converted to xqueryx
Correct comment, bug 23539