Remove checkpoints in ASA: Searching in the dust Same rationale as for ASA: Getting to the device

Remove checkpoints in ASA: Getting to the device This means the player now must win this mission in one go. Justification: There were many ways for the mission to be saved in an unwinnable state, there are many ways to win this mission and the checkpoints try to "force" one particular way. Also, this mission isn't too long anyway.

ASA, Spacetrip: Improve messages when running out of fuel

ASA, Spacetrip: Fix mission fail if touching ground in flying saucer but still got fuel

ASA, Spacetrip mission: Fix poor detection of crate collection

Fix first ASA mission rapidly skipping turns on failure

Fix hard-to-read blue team color in ASA campaign

Use EndTurn to replace TurnTimeLeft=0 in ASA campaign (fixes #225)

Fix crate types in A Space Adventure and some user missions

Fix crate types (weapon/utility) in A Classic Fairytale missions

ACF mission 6: Fix incorrect crate types (weapon vs utility)

Fix mines not working in first turn in ACF, mission 6 (bug #180)