Fix #413:
- Added function for debugging parallel apps
- Removed output on stdout in intergrator.hpp
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
partially fix issue #415
dump typo
fix SNESGetFunctionNorm for PETSc 3.5.X, cf. issue #415
wrong variable
Merge branch 'develop' into feature-gmsh-in-memory
added possibily missing gmsh header files