TDPL goes out for preliminary review

[Jason House]

Jason House wrote:

> bugzilla 3640
>      shared this() constructor does not work and reports strange errors
>      without line numbers
> 
> bugzilla 3641 keywords: rejects-valid
>     alias shared T U does not work
> 
> bugzilla 3642 keywords: diagnostic
>     Poor error message when using shared:
>     function ___ not callable with argument types ___

I'll add to that list:
bugzilla 3091 keywords: rejects-valid
     "auto x = new shared foo" does not compile