Convert the old data to our new data and move the old files.

Closes #24 but it probably has a few bugs or prisoners who were in cells
are not any more, but I will only fix that if someone pursades me to.

src/main/java/com/graywolf336/jail/JailMain.java

@@ -50,7 +50,7 @@ public class JailMain extends JavaPlugin {
 		//Try to load the old stuff before we load anything, esp the storage stuff
 		LegacyManager lm = new LegacyManager(this);
 		if(lm.doWeNeedToConvert()) {
-			boolean converted = lm.loadOldData();
+			boolean converted = lm.convertOldData();
 			if(!converted) getLogger().severe("We was unable to convert some, or all, of the old data.");
 		}