Frontend bugfixes

• enlarge logo in print
• messages changed
• add print annotation to map-print
• improve menu for regional analysis
• set teaser in center (and set better background color)
• shadowMapPopup now controlled by a map-button (and called "StickyPopup")
• show always stability and significance (and remove control-buttons)
• fix too broad MapLegend (when having long names for MapLegend)
• improve length of LayerMenus
• center nav-buttons on full-width-screen
• collapse legend and timechart if filter is open