D5551: Make WindowSwitching (Alt+Tab) the default left touch screen edge

[Marco Martin]

mart accepted this revision.

REPOSITORY
  R108 KWin

BRANCH
  tabbox-default-edge-left

REVISION DETAIL
  https://phabricator.kde.org/D5551

To: graesslin, #kwin, #plasma, ivan, mart
Cc: plasma-devel, kwin, spstarr, progwolff, lesliezhai, ali-mohamed, hardening, 
jensreuterberg, abetts, sebas, apol