- update to version 4.2.1
* Make sure plugins are informed about TV-Browser started event
before starting auto update
* Registry values can not be set under Windows
* Allow copying of removed/added channels to clipboard
* Tray popup at wrong location on scaled displays
* Allow plugins to get context menu item of single plugin
* multiple mark priority settings only return mark priority of
first item
* follow XDG Base Directory Specification on Linux systems
* TV-Browser is not starting up in some cases
* Program count missing in plugin tree