[svn-r4411] Fixed nemesis to correctly set vc state (instead of setting all vcs to active.  Renamed MPIDI_Comm_get_vc to MPIDI_Comm_get_vc_set_active to alert caller to side-effect.  Added MPIDI_CHANGE_VC_STATE macro to set the vc state and call debugging macro.  Changed all places where vc state is changed to use this macro.  Reviewed by goodell@.

[svn-r3296] Added message about number of reqs in unexpected buffer when we fail to allocate a request for an unexpected message.  This is a more informative message so the user can see why a request was unable to be allocated.

[svn-r3275] Updates for brief-global thread cs support (still requires updates to MPIR_Localcopy) and for new match structure defintion where used within debugging statements

[svn-r3271] Committing the 64-bit optimization code for queue searching. This should make queue searches for the posted queue and the unexpected queue considerably faster for large queue lengths. Reviewed by
buntinas.