fix install process
review tests process
fix (partial) arnoldi stuff which depends on lapack
...

Added missing main source (planner.cpp), added rpath and macro define parsing in setup.py.in, extended swig coverage

Fixed all fftw dependant c++ tests (now depends only on available fftw libraries), fixed another CmakeLists.txt bug.

Added another missing dependency, fixed fftw optional modules, added fftw quadmaths support with gcc.

Fix du cmake pour la génération de HySoP/hysop/f2hysop.pyf, ajout de FindSWIG.cmake pour corriger le bug de version trouvée.

Disabled google tests by default for c++, can be enabled with cmake variable 'GOOGLE_TEST' set to 'ON'.

Modified CMake and setup.py.in to generate only one swig c++ lib and use it for c++ mains and tests.

- fix bug poisson
- comment googletests (temp)
- comment fftw extra libs (fftwq ..., temp)

Fix penalisation/subsets (partially)
Update doc (sphinx)
Almost all tests ok except:
	 22 - mpi_test_advec_scales (Failed)
	 77 - test_advection_nullVelocity (Failed)
	 79 - test_advection_randomVelocity (Failed)

Fix fortran install process + shared lib by default (much more verbose ...), review default method setup in operators, review fftw curl.

Fix bug in HDF5/VTK output
Fix bug in field initialization
Modif in FD and diff operators

Update differential_operations and stretching (fix bug + optimizations) - Add GlobalTests (test functionnalities, perf ...)

update docs (doxy), update operators (small fixes + add operator.discrete package), add profiler option (for memory), add testPoisson, + misc ... not finished, it may work ... or not