Fix a bit the documentation

  modified:   doc/CMakeLists.txt
  deleted:    doc/reference/c++/CMakeLists.txt.v1
  deleted:    doc/reference/c++/arrays/examples_h5/CMakeLists.txt
  deleted:    doc/reference/c++/arrays_old/CMakeLists.txt.Old
  deleted:    doc/reference/c++/clef/CMakeLists.txt
  modified:   doc/reference/c++/det_manip/CMakeLists.txt
  modified:   doc/reference/c++/gf/CMakeLists.txt
  modified:   doc/reference/c++/parameters/CMakeLists.txt
  deleted:    doc/reference/python/CMakeLists.txt
  deleted:    doc/reference/python/data_analysis/hdf5/CMakeLists.txt
Add some more direct accesses in pytriqs/operators

  modified:   pytriqs/operators/__init__.py
Better name for run_pytriqs_for_test

  modified:   shells/CMakeLists.txt
Comment out unreachable code to avoid warning

  modified:   test/pytriqs/arrays/expr.pyx
Clean a bit CMakeFiles

  modified:   cmake/BuildSphinx.cmake
  modified:   cmake/FindTestScriptHdf.cmake
  modified:   cmake/FindTriqsTest.cmake.in
  modified:   cmake/TRIQSConfig.cmake.in