[Lazarus] New XML format for project info files - disabled by default

[Ondrej Pokorny]

On 24.03.2019 17:25, Juha Manninen via lazarus wrote:
> On Sun, Mar 24, 2019 at 5:06 PM Werner Pamler via lazarus
> <lazarus at lists.lazarus-ide.org> wrote:
>> Yes, sounds reasonable.
> +1
> The report is actually
>   https://bugs.freepascal.org/view.php?id=35267
>
> As Werner noted earlier, the package .lpk files and parts of project
> .lpi files should also be changed.
> Namely:
> - RequiredPackages
> - Debugging/Exceptions
> - RunParams/Modes
>
> I am planning to do so in future. If Ondrej wants to look at it, fine
> with me, too.

Yes, there are several places where numbered item lists are used that 
are still a To-Do. I plan to do it, if you won't be faster. It's good 
that we have now the basic feature in trunk to test.

Ondrej