[Lazarus] TextHint rewrite

[Bart]

On 12/2/16, Ondrej Pokorny via Lazarus <lazarus at lists.lazarus-ide.org> wrote:

> WinAPI doesn't support changing text hint font - it is not italic. AFAIK
> "TextHint" e.g. in Konqueror navigation bar on Linux isn't italic
> either. So no unless you bring very good arguments for it.

I originally made it Italic, because native TextHint on Windows
"looked" Italic to me ...

Bart