0.8.5

Minor version today, mostly minor bug fixes and translation update.

I did have time to work on GTK3, maintaining Guake to keep using GTK2 is more and more difficult,
Travis kind of abandonned the compatibility of PyGtk2.

• Add a shortcut to open the last tab (#706, thanks @evgenius)
• Fix icon size on Ubuntu (#734)
• Add tab UUID and selection by UUID (#741, thanks @SoniEx2, @Ozzyboshi)
• Updated Polish (#705), Chinese (#711), German (#732), Brazil Portuguese (#744), Czech (#747)
• Fixed doc (#709, #706)
• Fix some Pep8 issue