Move buildbot configuration into the build subdir

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@4689 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/buildbot/account.py b/build/buildbot/account.py
similarity index 100%
rename from buildbot/account.py
rename to build/buildbot/account.py

diff --git a/buildbot/buildbot.tac b/build/buildbot/buildbot.tac
similarity index 100%
rename from buildbot/buildbot.tac
rename to build/buildbot/buildbot.tac

diff --git a/buildbot/extensions.py b/build/buildbot/extensions.py
similarity index 100%
rename from buildbot/extensions.py
rename to build/buildbot/extensions.py

diff --git a/buildbot/master.cfg b/build/buildbot/master.cfg
similarity index 100%
rename from buildbot/master.cfg
rename to build/buildbot/master.cfg