Added translations build system.

Makefile.am

@@ -1,6 +1,6 @@
 ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 
-SUBDIRS = src data
+SUBDIRS = src data po
 
 uuid = "temperature@xtranophilist"
 

configure.ac

@@ -11,6 +11,12 @@ m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 AC_PROG_SED
 
+GETTEXT_PACKAGE=gnome-shell-extension-sensors
+AC_SUBST(GETTEXT_PACKAGE)
+AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE",
+                   [The prefix for our gettext translation domains.])
+IT_PROG_INTLTOOL(0.26)
+
 PKG_PROG_PKG_CONFIG([0.22])
 
 GLIB_GSETTINGS
@@ -40,18 +46,28 @@ extensiontopdir=${datadir}/gnome-shell/extensions/weather@gnome-shell-extensions
 dnl This is beyond ugly. Suggestions accepted.
 if test "x${use_local_install}" == "xyes"; then
    AC_SUBST(gsettingsschemadir, [${extensiontopdir}/schemas])
+   AC_SUBST(LOCALEDIR, [${extensiontopdir}/locale])
+else
+   AC_SUBST(LOCALEDIR, [${datadir}/locale])
 fi
 
 dnl Please keep this sorted alphabetically.
 AC_CONFIG_FILES([
   Makefile
   data/Makefile
+  po/Makefile.in
   src/Makefile
 ])
 AC_OUTPUT
 
+dnl 'Fugly hack' doesn't get close to describe this. I don't know how else
+dnl to change the directory for translations.
+if test "x${use_local_install}" == "xyes"; then
+   ${SED} -i -e "s%itlocaledir = .*%itlocaledir = ${extensiontopdir}/locale%g" po/Makefile
+fi
+
 if test "x$use_local_install" == "xyes"; then
    echo
-   echo "The schemas will be installed in subdirectories of the extension."
+   echo "The schemas and translations will be installed in subdirectories of the extension."
    echo
 fi

po/.gitignore

@@ -0,0 +1,4 @@
+stamp-it
+POTFILES
+Makefile.in.in
+*.gmo

po/POTFILES.in

@@ -0,0 +1,3 @@
+src/extension.js
+src/prefs.js
+src/utilities.js

po/gnome-shell-extension-sensors.pot

@@ -0,0 +1,118 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2013-05-25 18:09+0200\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#. Add average and maximum entries
+#: ../src/extension.js:153 ../src/prefs.js:102
+msgid "Average"
+msgstr ""
+
+#: ../src/extension.js:154 ../src/prefs.js:103
+msgid "Maximum"
+msgstr ""
+
+#: ../src/extension.js:161
+#, c-format
+msgid "%drpm"
+msgstr ""
+
+#: ../src/extension.js:167
+#, c-format
+msgid "%s%.2fV"
+msgstr ""
+
+#: ../src/extension.js:170
+msgid "N/A"
+msgstr ""
+
+#: ../src/extension.js:185
+msgid "Error"
+msgstr ""
+
+#: ../src/extension.js:189
+msgid "Please run sensors-detect as root."
+msgstr ""
+
+#: ../src/extension.js:190
+msgid "Please install lm_sensors."
+msgstr ""
+
+#: ../src/extension.js:190
+msgid "If this doesn't help, click here to report with your sensors output!"
+msgstr ""
+
+#: ../src/extension.js:204
+msgid "Sensors Settings"
+msgstr ""
+
+#: ../src/prefs.js:33
+msgid "Poll sensors every (in seconds)"
+msgstr ""
+
+#: ../src/prefs.js:41
+msgid "Temperature unit"
+msgstr ""
+
+#: ../src/prefs.js:42
+msgid "Centigrade"
+msgstr ""
+
+#: ../src/prefs.js:43
+msgid "Fahrenheit"
+msgstr ""
+
+#: ../src/prefs.js:56
+msgid "Display temperature unit"
+msgstr ""
+
+#: ../src/prefs.js:57
+msgid "Show temperature unit in panel and menu."
+msgstr ""
+
+#: ../src/prefs.js:61
+msgid "Display decimal value"
+msgstr ""
+
+#: ../src/prefs.js:62
+msgid "Show one digit after decimal."
+msgstr ""
+
+#: ../src/prefs.js:66
+msgid "Display drive temperature"
+msgstr ""
+
+#: ../src/prefs.js:70
+msgid "Display fan speed"
+msgstr ""
+
+#: ../src/prefs.js:74
+msgid "Display power supply voltage"
+msgstr ""
+
+#: ../src/prefs.js:129
+msgid "Sensor in panel"
+msgstr ""
+
+#: ../src/prefs.js:133
+msgid "Display sensor label"
+msgstr ""
+
+#: ../src/utilities.js:157
+#, c-format
+msgid "Drive %s"
+msgstr ""