Move pictures to the webcruft/ dir

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@3196 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/doc/simgrid_modules.png b/doc/webcruft/simgrid_modules.png
similarity index 100%
rename from doc/simgrid_modules.png
rename to doc/webcruft/simgrid_modules.png

diff --git a/doc/simgrid_modules2.png b/doc/webcruft/simgrid_modules2.png
similarity index 100%
rename from doc/simgrid_modules2.png
rename to doc/webcruft/simgrid_modules2.png