fix rb4aero
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
use DCHECK
++verbose
-a
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
ostream for FunctionSpace
reset process id to 0 in case worldcomm is sequential
--verbose level and added check
update issue #161
 - create local mesh and local space
 - code compiles and runs but results are wrong 
 - operatorinterpolation does not yet use the sibling information to localize
 fast the face/element relationship
added isSiblingOf and handle sibling relationship in meshToSubmesh() and submeshToMesh()
 - --verbose level
 - use sibling relationship if available