working on toolTips
preparing on-the-fly changing the size of multi-sliders resp. size of a CVWidgetMS

Signed-off-by: nuss <st9fan@gmail.com>
attempting to make a multiSlider-widget's number of sliders resizable

Signed-off-by: nuss <st9fan@gmail.com>
still working on the mechanism behind altering specs (i.e. altering the spec's size)

Signed-off-by: nuss <st9fan@gmail.com>