proposal: improved import declaration

[davidl]

wait till macro is available

> 	Hi!
>
> The proposal is to allow writing:
>
> import <module-root>.{<name>[,<name>...]};
>
> For example, instead of:
>
> import tango.io.Console;
> import tango.io.Conduit;
> import tango.io.FilePath;
> import tango.io.FileSystem;
> import tango.io.Stdout;
>
> simply write:
>
> import tango.io.{Console, Conduit, FilePath, FileSystem, Stdout};
>



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