Lua API: GetAmmoTimer, to get the player-set timer for an ammo

Lua API: Add 5th parameter showExtra to SetAmmoTexts to hide extra text

Rename SVG hats to be consistent with PNG versions

Simplify and shrink 5 SVG hats

Update copyright years

Update Taiwanese translation

Update ChangeLog for Continental supplies

Continental supplies: Bouncy boomerang does not spawn crate when drowning

Continental supplies: Mention that vamp increases Medicine effectiveness

Continental supplies: Fix “Boring” sound being played after continent select

Continental supplies: Update pickhammer icon

Massive Continental supplies update List of changes: * Invulnerability protects from sabotage damage * Sabotage kills hog instantly when health reaches 0 * Reliably prevent using of Lonely Cries and baseball bat specials when usage not allowed * Don't explode Anno 1302 and Medicine if drowning * Don't play “Missed” and “Laugh” taunt when those don't make sense * Major rewrite of ALL strings for better usability * Add custom weapon tooltips * Major refactoring * Improve audiovisual effects * Show message when hog receives new continent ammo * Sabotaged hedgehogs also emit smoke when it's not their turn * Can switch continent in reverse order with [Precise]+[Switch] * Fix retreat timer not turning red for some weapons