Support for MultiLineString and Panes

Minor Changes

• Add MultiLineString Support . Fixes #143: #730
• Add Pane Support: #733
• Add Norwegian 🇳🇴 Translations: #716
• Add Persian Translation (RTL): #737
• Add option to force minimal vertex count so vertices can't be removed . Fixes #714: #722
• Add pm:vertexclick Event when vertex is clicked: #724

Patches

• Fix CircleMarker events and stuck . Fixes #709, #712: #720
• Add button role to <a> element for a11y: #721
• Replace complete .off() with specific one: #739
• Reset Tooltip after vertex remove: #743
• Fix bug: when marker was drawn, the layergroup was enabled: #726

Credits

Huge thanks to @henrikmaa, @cksadra and @Falke-Design for helping!