0.3.1

• Add Semantic UI/Flexberry themes support.
• Add flexberry-edit-layermap component to unify layers and layers-metadata editing.
• Add gis-search-form making available search through maps and layer-metadata.
• Add edit dialog allowing map properties editing, and add logic which opens edit dialog automatically for new maps.
• Add map-info dialog which opens automatically and displays map description for those users who haven't seen it before.