Implement vector broadcast

[Dan Bonachea]

The vector-based second overload of broadcast:

template <typename T> 
future <> broadcast(T *buffer , std::size_t count , 
 intrank_t sender , team &team = world()); 

is currently unimplemented.

[Dan Bonachea]

In the 1/10/18 meeting, it was agreed to defer this to the Sept release.

[Dan Bonachea]

This issue was triaged at the 2018-06-13 Pagoda meeting and assigned a new milestone/priority.

We noted this feature is currently in the spec and a key part of the milestone deliverable. Before release this needs to either be implemented or (as a last resort) removed from spec.

[Dan Bonachea]

Implemented in bdd36b0

[Dan Bonachea]

Nevermind - pilot error

[Mathias Jacquelin]

You scared me there :-)