[Blueprint servercloud-p-arm-openmpi] Update OpenMPI to the 1.5 version with ARM support

[Antonio Rosales]

Blueprint changed by Antonio Rosales:

Whiteboard changed:
+ Note: FFe for Precise OpenMPI 1.5 accepted per
+ https://bugs.launchpad.net/ubuntu/+source/openmpi/+bug/889644
+ 
  Nothing to discuss, we just either update the existing one or add another package version into the archive. -robbie.w
  Added a bug task to track activity. -- Daviey
  
  There seems to have been some rudimentary support for ARM added in the
  past (https://bugs.launchpad.net/ubuntu/+source/openmpi/+bug/438433).
  What exactly is the functionality/use case that we need to add, and how
  would I verify that it is complete? --rbasak
  
  rbasak, lets discuss it in a regular meeting - can you raise it please?
  Thanks -- Daviey
  
  <janimo> rbasak, does openmpi 1.5 have features you want for server? The BP is not clear about whether you want to replace 1.4 or have both versions (1.5 is labeled beta by upstream)
  <janimo> since if you want 1.5 arm FTBFS should not be a blocker and we should have it synced from experimental so it gets enough testing
  
  Work Items:
  decide if we want to have 2 versions in universe, i.e. -stable and -feature: DONE
  sync 1.5 version package from Debian experimental: POSTPONED
  Prepare 1.5 package for upload to the archive: DONE
  Upload 1.5 package to the archive: DONE

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Update OpenMPI to the 1.5 version with ARM support
https://blueprints.launchpad.net/ubuntu/+spec/servercloud-p-arm-openmpi