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/edit.pot

@@ -0,0 +1,60 @@
+#. extracted from edit.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"
+
+#: edit.txt:1
+msgid ""
+"Edit Item\n"
+"========="
+msgstr ""
+
+#: edit.txt:4
+msgid "Edit the item which is currently selected."
+msgstr ""
+
+#: edit.txt:6
+msgid ""
+"Depending on the item type (appointment, event, or todo), and if it is "
+"repeated\n"
+"or not, you will be asked to choose one of the item properties to modify. An\n"
+"item property is one of the following: the start time, the end time, the\n"
+"description, or the item repetition."
+msgstr ""
+
+#: edit.txt:11
+msgid ""
+"Once you have chosen the property you want to modify, you will be shown its\n"
+"actual value, and you will be able to change it as you like."
+msgstr ""
+
+#: edit.txt:14
+msgid ""
+"Notes\n"
+"-----"
+msgstr ""
+
+#: edit.txt:17
+msgid ""
+"* If you choose to edit the item repetition properties, you will be asked to\n"
+"  re-enter all of the repetition characteristics (repetition type, "
+"frequency,\n"
+"  and ending date). Moreover, the previous data concerning the deleted\n"
+"  occurrences will be lost."
+msgstr ""
+
+#: edit.txt:22
+msgid ""
+"* Do not forget to save the calendar data to retrieve the modified "
+"properties\n"
+"  next time you launch Calcurse."
+msgstr ""