Update POTFILES.in for libalpm and pacman

Be complete with files listed. Comment out files where code is used
or heavily based on other projects so will never have translatable
strings.

Signed-off-by: Allan McRae <allan@archlinux.org>
More translation updating

Pull updates from transifex.  Add new "id" translation.  Regerate po
files with updated filelists...

Signed-off-by: Allan McRae <allan@archlinux.org>