PLF-5382 : Memory Charts gadget not displayed in IE8

Fix description:
	- Update qplot to 1.0.5
PLF-5650: Restrict node exo:LoginHistoryHome from anonymous

Fix description:
	- Restrict permission of exo:LoginHistoryHome to *:/platform/users (READ only) and *:/platform/administrators ( ALL permision)
PLF-5538 Cannot delete illustration image of a product

Fix description:
	- Verify the content of the illustrate image before rendering the image
Merge commit 'a483b99ede9e7904bd754202b7f615f753fefd51' into HEAD