checking existing meshing to avoid shortcut via Gluon-Packages

Updated modules to a63d3c042cde5af6f702d98bb89b6a0ccc4d1cb9

With this update of the Gluon-Packages, we enable
freifunk-stuttgart/Gluon-Packages@a63d3c0

modules

 GLUON_SITE_FEEDS='ffs'
 
 PACKAGES_FFS_REPO=https://github.com/freifunk-stuttgart/Gluon-Packages
-PACKAGES_FFS_COMMIT=7ca1e3c219b1dadf2ff4646dd0bc3d48ab28f694
+PACKAGES_FFS_COMMIT=a63d3c042cde5af6f702d98bb89b6a0ccc4d1cb9