Main toolbar for 2.2

[Nikolaj Hald Nielsen]

> So I vote #5, but vote against the new slider in its current
> permutation, unless we can have someone who actually has poor eyesight
> use it and give it the green light (after all, I'm just guessing here).

I already switched back to the old style slider for both the old and
new toolbar earlier today as many people have expressed concerns that
it is not visible enough. I will have another go at it at some point
after 2.2.0

- Nikolaj