Revert "using boost::locale instead of gettext"

This reverts the last two commits, which
broke cross-compilation

Change-Id: Ib16e85481738f42489acd7db4acc74e4c10dbe21
Reviewed-on: http://gerrit.aldebaran.lan:8080/15534
Tested-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
Add new Application ctor with an appName

Change-Id: I558f139cc3f4a8c9bdf992e35f0078818edd00cd
Reviewed-on: http://gerrit.aldebaran.lan:8080/15526
Reviewed-by: hcuche <hcuche@aldebaran-robotics.com>
Tested-by: hcuche <hcuche@aldebaran-robotics.com>
Add timezone into os

Change-Id: Ia740581612bb103ffe35b226a30615c8549ac1d8
Reviewed-on: http://gerrit.aldebaran.lan:8080/15491
Reviewed-by: hcuche <hcuche@aldebaran-robotics.com>
Reviewed-by: cgestes <gestes@aldebaran-robotics.com>
Tested-by: hcuche <hcuche@aldebaran-robotics.com>