[TRANSUP] forgot to add italian to transifex - sorry

Signed-off-by: Werner Macho <werner.macho@gmail.com>
[TRANSUP] nb by James

Signed-off-by: Werner Macho <werner.macho@gmail.com>
add a r.cost submodule that uses a raster input as starting point(s)
Merge pull request #1472 from gioman/r_cost_raster

[processing] add a r.cost submodule that uses a raster input as starting point(s) + fix r.drain and add a submodule for r.drain that does not need input point vectors