Removing the Project Filter Line Edit

[Sven Brauch]

On Saturday 02 November 2013 14:29:24 Milian Wolff wrote:
> I've mentioned this before and now want to act upon it: With the addition of
> the new project filter architecture, the project filter line edit should be
> removed.
> 
> I want to replace it by a button to directly open the project filter
> settings.

If you do it only in master (i.e. not 4.6) so we have time to test and get 
some reactions, I don't see a problem.

Greetings,
Sven