Fix 'Possible loss of data' warnings.

Change-Id: I549e42479e491efdc03ad169c4400aec0a9fedba
Reviewed-on: http://gerrit.aldebaran.lan:8080/12569
Reviewed-by: cgestes <gestes@aldebaran-robotics.com>
Reviewed-by: llec <llec@aldebaran-robotics.com>
Reviewed-by: proullon <proullon@aldebaran-robotics.com>
Tested-by: proullon <proullon@aldebaran-robotics.com>
qi::Application : recursively parse path.conf

Change-Id: I8c1d6ff84e90aeb7b0a553dec82c4b23651304ae
Reviewed-on: http://gerrit.aldebaran.lan:8080/10788
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
Tested-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>