XMM-WFI data release

	General notes on WFI data from this collection
	- README
	- catalog-table (html, fits)

1)	AIP-XMM-WFI
	- README
	- Data quality assessment and zero point correction
	- Data

2)	ESO-EIS
	- Data release paper
	- ESO release of all stacked images and object catalogues of high-galactic latitude fields
	- AIP release of object catalogues of low-galactic latitude fields and zero point correction

3)	BLOX
	- README
	- Data quality assessment and zero point correction
	- Data