* multi-screen: always trust KWin under X11 in order to set correct struts for panels and docks
* automatically offset centered applets when the left or right widgets overlap the centered one
* windowsgobelow: show properly during startup
* kwinedges: calculate accurately their size and position
* improve applets dragging during rearrange and configure widgets mode
* hide thin tooltips properly at some cases that were stack
* fill one pixel gap of justify splitters during rearrange and configure widgets mode
* fix, windows belong to screen whenever they are touching it. This way a window could belong in more than one screens and be taken into account for visibility modes and active window tracking
* remove file extensions for layouts and templates properly in order to identify the layout or template name
* fix build for Freebsd
* x11: force OnAllDesktops for all docks and panels during creation
* fix empty availableScreenRegion broadcast to Plasma