i18n: update translations

- update POTFILES.in with new source files with translations
- update README with how to pull translations from transifex
- update source pot file with new source translations strings
- update source pot file copyright year
- pull new translations from transifex

Change-Id: I30498c131bc77be008ff54d6ec2b9c85dafc223e
Reviewed-by: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>

po/POTFILES.in

@@ -2,6 +2,8 @@
 # Please keep this file sorted alphabetically.
 
 src/accountaudiotab.cpp
+src/accountcreationwizard.cpp
+src/accountdevicestab.cpp
 src/accountgeneraltab.cpp
 src/accountimportexportview.cpp
 src/accountvideotab.cpp
@@ -24,8 +26,11 @@ src/utils/menus.cpp
 src/video/video_widget.cpp
 ui/accountadvancedtab.ui
 ui/accountaudiotab.ui
+ui/accountcreationwizard.ui
+ui/accountdevicestab.ui
 ui/accountgeneraltab.ui
 ui/accountimportexportview.ui
+ui/accountmigrationview.ui
 ui/accountsecuritytab.ui
 ui/accountvideotab.ui
 ui/accountview.ui

po/README

@@ -10,7 +10,7 @@ xgettext -o ring-client-gnome.pot --keyword=_ --keyword=C_:1c,2 --keyword=N_ -D
 
 Replace the first 3 lines of the generated header with:
 # Gettext PO translation template file for the GNOME client of the Ring project.
-# Copyright (C) 2015 Savoir-faire Linux Inc.
+# Copyright (C) 2015-2016 Savoir-faire Linux Inc.
 # This file is distributed under the same license as the Ring package.
 
 The translation files are expected to be located in the /po dir using the
@@ -21,3 +21,6 @@ for example: fr_CA.po, lt.po
 The Ring project uses Transifex.com to facilitate the translation process. The
 project page can be found here:
 https://www.transifex.com/savoirfairelinux/ring
+
+To pull translations from transifex using the tx client, execute:
+tx pull -fa --minimum-perc 1