Michail Vourlakos a666f4f685 fix #678,provide a previewsDelay for latte plasmoid
--the user can add a previewsDelay value in ms in the
latte plasmoid General settings which can be found
in a layout file in order to change the delay which
a preview is needed to be activated. Values lower
than 150ms are ignored because they break the previews
experience by providing faulty previews
..
config.qml move plasmoid config files in their own directory
main.xml fix #678,provide a previewsDelay for latte plasmoid