v0.8.2a: fixes for various crashes

- added a safety check for when an amoked character dies
- added a safety check when ghouls die over pits
- mobs looking for a new enemy when aggroed on an invincible one
- made Tengu's 2nd phase jumping slightly more permissive
- fixed a logic error when placing enemies
- added a safety check in WndWandmaker
- added a safety sync check when playing a sample

SPD-classes/src/main/java/com/watabou/noosa/audio/Sample.java

@@ -97,7 +97,7 @@ public enum Sample {
 		return play( id, volume, volume, pitch );
 	}
 	
-	public long play( Object id, float leftVolume, float rightVolume, float pitch ) {
+	public synchronized long play( Object id, float leftVolume, float rightVolume, float pitch ) {
 		float volume = Math.max(leftVolume, rightVolume);
 		float pan = rightVolume - leftVolume;
 		if (enabled && ids.containsKey( id )) {