Create an initial Test Suite for Salasaga for Salasaga

Salasaga needs a Test Suite for it, to ensure we have good quality releases. There have already been occasions where new features have been added and accidentally broken something important, only to be discovered when a user reports it. :(

Create tutorials for new users for Salasaga

We need tutorials in place for new users. José Ignacio Álvarez Ruiz and Luis Díaz Más have already made a good start here: http://www.salasaga.org/index.php/tutorials But this needs to be fleshed out into several more modules. It's expected this will take a decent amount of effort.

Add the new Salasaga logo to all appropriate places for Salasaga

Salasaga has a new, proper logo. Although many things have been updated with it, a few still remain to do. + The Help -> About dialog in the IDE itself (gtk_window_set_icon(), gtk_about_dialog_set_logo())