Allow XML Value to have multiple child elements
Relax xml cleanup, keep tabs and carriage returns
Remove call to strip whitespace for XMLAnnotation
Add more XMLAnnotation samples for testing
Remove unused strip whitespace transform
Adding tabs to test file and updating expected
merge develop -D org -I include -E exclude: PR 528 (Tile performance improvements for VMS and NDPI)
merge develop -D org -I include -E exclude: PR 618 (Xml annotation)