Update qgis.list.binary

Changed QGIS repos from GFOSS to official qgis (to get the updated version 2.2)
Update qgis.list.chroot

Changed QGIS repos from GFOSS to official QGIS repos
Update qgis.key.binary

PGP of QGIS repos
Update qgis.key.chroot

PGP of QGIS official repos
Merge pull request #104 from lucaarcteam/master

QGIS new repos