order of static constructor execution

[Walter Bright]

BCS wrote:
> Random thought: Aside from making a new corner case, why not make static 
> constructors in mixins only depend on imports from where they are 
> defined rather than where they are used?


Template mixins are intended to behave like macros - they are 
instantiated in the context of where they are used, not where they are 
defined.

Regular templates are instantiated in the context of where they are 
defined, not used.