Adding note on Travis-ci
some cleaning
add geometry for ferromagnetism example
fix backend warnings with crb
up Re options
the .geo used for the first full results of the benchmark
Fix geometry for ferromagnetism test
Add a test geometry for axi case
Change Fer to Iron for consistency
[ci skip]
Merge branch 'develop' of github.com:feelpp/feelpp into develop
fix #463
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
improve #462 and #417

merged three all_reduce into a single one
fix compilation with old versions of boost::mpi
remove unnecessary function
Bugfix:
- Fixed gmsh exporter when exporting data per element in parallel
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
fix compilation
Add random option for a random sampling (offline part)
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
Issue #464:
- Protected HARTS wode within OpenMP implementation
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop