Remove bus from projections

[alexeyzimarev]

We keep getting this questions from people who use message buses to build read models, it is the FAQ question, but it is still here

https://github.com/gregoryyoung/m-r/blob/master/CQRSGui/Global.asax.cs#L45

Be May it is time to get rid of the bus in projections?

[gregoryyoung]

Perhaps to rename it.