Adding support for inheriting chunks from _ViewStarts as part of host parsing

Fixes #881
Talked in person.  We need to figure out another way to do this.  We're essentially making ```@inherits``` behave differently in a viewstart than in any other page which can encourage really bad behavior (which wont work).  Lets setup some time to discuss a good alternative/mainstream approach to doing this (also needs to be normalized with ```@inject```.