Plasma/Multihead

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Multihead is a configuration where you have independent X servers running on each screen, meaning you also need to run another instance of Plasma, Kwin, …

Known issues

KWin doesn‘t start right away but once started manually works fine (patch at https://git.reviewboard.kde.org/r/101125/), fixed in 4.7 git.
KDE Splash screen doesn‘t appear on other screens than the primary one (patch at https://git.reviewboard.kde.org/r/101136/), fixed in 4.7 git.
Localization doesn't apply properly on the other screens, e.g. Plasma seems to be in English all the time while other programs usually have the correct locale (patch at https://git.reviewboard.kde.org/r/101133/), fixed in 4.6.3 and 4.7 git.
Global shorcuts are not working on secondary screens.
Legacy Startup indicator (bouncing mouse cursor) isn't aware of the other monitors, the new Compositing one works fine
Cannot create a default panel (with Kickoff, taskbar, systray, clock, …), just an empty one
New application instances always open on that screen where another one is already opened instead of showing up on the screen from which they were launched
Mouse pointer garbled sometimes, especially on start up on other monitors