HARTS:
- Updated code for gathering simulation outputs
Merge remote-tracking branch 'origin' into develop
fixes #404
 - implement a small example that allows to traverse the dof table and get the
 neighbor degrees of freedom
 - modify doftable and dof to support properly this interface/example to the doftable
upadte #407:
 - add cmake file for NLOpt (optional)
 - add example to check that everything is ok

@MSPRENG @vincentchabannes we should be able to use that very soon
the small testsuite example works ok
on demand, not yet ready
update qs_ns
 - cfg file for simple prec
 - add timing info using tic() toc()
 - add dof info
update #407
 - a dummy example with nlopt
name expression
fix on curie, need to be checked and improved
Merge branch 'develop' of /ccc/cont005/home/ra0840/prudhomc/Devel/feelpp.bare into develop
up #407 : add nlopt.hpp
--verbose : use LOG(WARNING)
fix #408:
 - do not add missing entries on diagonal when matrix is not square
 - crash if the graph is invalid : e.g. more non zero entries than there are
 columns
 - update log info
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
 fix computeBasisOrthogonal used with GeoTool::cylinder
added nlopt example
@asamake delete allocation after usage
nlopt is optional
fix graph size
remove bdf.hpp warnings