3.1.0

• Redesign no-signal and low-signal icons [eLtMosen]
• Reduce basemap icons size [eLtMosen]
• Improve cmake build scripts
• Update translations
• [sfos] Distinguish between Chum and Jolla Store versions and warn users of limitations
• [sfos] SailJail permissions for Jolla Store version
• [ubuntu touch] Use MapLibre in Ubuntu packaging [jonnius]