Rainlendar 2.1 Beta 37

- Time item output can show translated strings.
- Added Text item to the xml-skins.
- All skins have automatically tray icon even if they don't define one.
- Added minsizefromimage attribute to the image item for xml skins.
- Some more changes to the ftp-support in the network shared calendar.
- If the online file gets empty Rainlendar will automatically copy the files from offline file to it.
- Added "Hide upcoming tasks" to the context menu for the todo list.
- Localization fixes.
- Added a skinning tutorial to the manual.