adding documentation
Merge branch 'next/vff' of file:///media/6565-3165/git/lada into next/vff
Merge branch 'next/vff' into next/master
correcting python include
Cleaned up cmake stuff a bit.

  * calling cmake then make on a clean build dir now works.
  * removed some find(package) files we don't need anymore
  * changed NUMPY_INCLUDE_DIR to NUMPY_INCLUDE_DIRS
  * remove target_link(... ${PYTHON_LIBRARIES}). Shouldn't be needed
    since python interpreter should take care of linkage issues in
    compiled extensions.
Moving crystal iterators to separate subpackage
Merge branch 'next/master' of ssh://github.com/mdavezac/LaDa into next/master
Forgot iterator file
Adding basic gulp interface.

  * Added some general functions to make wrapping functionals easier and
    more systematic.
  * lead to some bug corrections in dftcrystal.
  * current gulp interface tested for some things but has not yet been
    runned.
added run test to gulp. works.
forgot test file
some bug corrections to gulp
Merge branch 'next/gulp' of ssh://github.com/mdavezac/LaDa into next/gulp