added content:

• snowman scenery element
• BATTLEFIELD map

update:

• add icons to directional keys rows in Controls Tab
• add tooltip to the 'Switch' buttons in Controls Tab
• factorize code used to update explosive items
• add one icon for each place on the scoreboard
• don't display place on scoreboard in single player mode
• enable default buttons in Options Menu
• lower default soundtrack volume
• edit snowfield map to include snowman
• remove crates from ISLAND map

bugfix:

• default button in Soundtrack and Option menus not working
• table of editable maps not scrolled up to the current one when opening the map tab in Edition menu