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/copy-paste.pot

@@ -0,0 +1,33 @@
+#. extracted from copy-paste.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"
+
+#: copy-paste.txt:1
+msgid ""
+"Copy and Paste\n"
+"=============="
+msgstr ""
+
+#: copy-paste.txt:4
+msgid ""
+"Copy and paste the currently selected item. This is useful to quickly copy "
+"an\n"
+"item from one date to another. To do so, one must first highlight the item "
+"that\n"
+"needs to be copied, then press the key assigned to the copy function. Once "
+"the\n"
+"new date is chosen in the calendar, the appointment panel must be selected "
+"and\n"
+"the paste key must be pressed to paste the item. The item will appear in the\n"
+"appointment panel, assigned to the newly selected date."
+msgstr ""