goa: Add some spacing
network: Add some spacing

Move to a box layout as well
eula: Make the title larger

And move to a box layout, as well
gis-page: Make 'skippable' writable

Well, it is...
eula: Make the "Next" button say "Accept"
gis-assistant: Clean up navigation buttons code a bit
cc-timezone-map: Use g_clear_object once more
cc-timezone-map: Respect aspect ratio
timezone: Add a left/right margin
timezone: Fix the condition for the bubble appearing
timezone: Fix spacing