Add POT files for online help texts

Use translate-toolkit to generate message catalogs for all online help
texts. Add Transifex resources for each of the message catalogs.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

po/doc/save.pot

@@ -0,0 +1,42 @@
+#. extracted from save.txt
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2013-07-23 10:28+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"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Translate Toolkit 1.10.0\n"
+
+#: save.txt:1
+msgid ""
+"Save\n"
+"===="
+msgstr ""
+
+#: save.txt:4
+msgid "Save calcurse data."
+msgstr ""
+
+#: save.txt:6
+msgid "Data are split into four different files which contain :"
+msgstr ""
+
+#: save.txt:8
+msgid ""
+"         / ~/.calcurse/conf -> user configuration\n"
+"        |                      (layout, color, general options)\n"
+"        |  ~/.calcurse/apts -> data related to the appointments\n"
+"        |  ~/.calcurse/todo -> data related to the todo list\n"
+"         \\ ~/.calcurse/keys -> user-defined key bindings"
+msgstr ""
+
+#: save.txt:14
+msgid ""
+"In the config menu, you can choose to save the Calcurse data automatically\n"
+"before quitting."
+msgstr ""