First update pass (1/3) - ~1400 -> 82 errors

This is first update pass, which is mainly import reorganization, name
fixes, etc... Although some parts of second were done where changes
aren't important.
Errors: ~1400 -> 82.

src/main/java/appeng/server/AECommand.java

@@ -56,7 +56,7 @@ public final class AECommand extends CommandBase
 	}
 
 	@Override
-	public void processCommand( final ICommandSender sender, final String[] args ) throws CommandException
+	public void execute( final MinecraftServer server, final ICommandSender sender, final String[] args ) throws CommandException
 	{
 		if( args.length == 0 )
 		{