Release 1.6

New Features:

• Export map as image file
• Saving and restoring a map draft (continuously). This should prevent lost maps when browser crashes

Improvements:

• Readme-link opens it in a new tab or window
• Enabled empire tiles
• Corrected importing when a mapfile was downloaded several tiles (it had a (<number>) in it's name)
• Set filename when importing via Drag and Drop
• Update version on exporting (should make a new filename)