Idea about Tool Views ordering (UI improvement)

[Anton Anikin]

Hi, Milian.

> I think we should try to restore the last state, to remove the randomness.
> Alphabetic ordering isn't good either, imo.

I published first version for save/restore Tool Views order state (D3002). 
Check it please and write your suggestions/remarks.

> If you think reordering is required, I'd implement it using drag'n'drop of
> the toolviews.

It will be nice feature, thanks!