mshrable should always call dolfin::SubsytemsManager::init_mpi()

[Stefan Brüns]

https://bitbucket.org/fenics-project/mshr/annotate/010d8029b008b5955a7a7e4613e50b082ce12a62/app/mshrable.cpp?at=master&fileviewer=file-view-default#mshrable.cpp-102

In case dolfin is compiled without MPI, init_mpi() is a noop. On the other hand, HAS_MPI is no longer set, so the call is currently omitted even when dolfin is compiled with MPI.

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[Drew Parsons]

fix MPI initialisation in mshrable (Issue#99)

apply Stefan Brüns' patch to ensure MPI is initialised in mshrable.

Fixes: #99

→ <<cset cf8fa704d4d5>>

[Drew Parsons]

Merged in dparsons/issue_patches (pull request #18)

apply patches provided in issues

Fixes: #97, #99.

→ <<cset ff54a68ec7bc>>