Style fixes for the xsd-fu page
Fix indenting as required by Plone
Allow a directory of OME-XML files to be specified for testEqualOMEXML

This is intended to be used like this:

ant -Dtestng.omexmlDirectory=/path/to/samples -Dtestng.directory=/path/to/data test-automated

or:

ant -Dtestng.omexmlDirectory=/path/to/samples/leica/ -Dtestng.directory=/path/to/data/leica/ test -automated

where /path/to/samples/ is a clone of samples.git.

Fixes ticket #9403.
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 556 (Add ``mkfake`` tool)
merge develop -D org -I include -E exclude: PR 589 (Zeiss LSM: use the longer display channel name)
merge develop -D org -I include -E exclude: PR 596 (Minor defensive programming changes for TIFF-based formats)
merge develop -D org -I include -E exclude: PR 597 (Update OME-XML population to match 2013-06 changes)
merge develop -D org -I include -E exclude: PR 598 (Add page documenting how to use xsd-fu)
merge develop -D org -I include -E exclude: PR 600 (Allow a directory of OME-XML files to be specified for testEqualOMEXML)