Apply first visual changes.
Apply first visual changes.
Change the layout in the root component.

With the visual project (made by Magda) the axes titles and the elements doesn't have to overlay, so the layout in the root component can be simplified.
Change the header according to the visual project.

Not yet working: icon, label should be multiline.
Change the elements layer according to the project.

Positions changed. The first step to change to elements view.
Merge branch 'master' into visual
Add tool for measuring the height of elements.

It's added, not yet implemented properly. This tool will provide to the
positioner the information about the height of the given element.
Change visual side of separators.

Now, they the same as on the project. Some more changes had to be made,
because now the separator has to know its length.