Update README.md
restrictedExtent resized to include dept 29
fix previous commit : restrictedExtent, not maxExtent
disabled extent check, doesn' work properly
ajout credits finistere
fixed municipality search - had to disable PositionOfInterest search
fixed municipality search in sviewer. had to disable positionOfInterest search
ajout mention georchestra
using a serverside openls reverse proxy as IGN changed its service behavior (expects now MIME contents)
added firefoxOS manifest
checked dual.html with W3C validator (was ashamed, so much errors...)
added meta tag for IE compatibility
html cleanup for w3c validation