create job to build and push teuthology docs

Create a job to build teuthology docs and push them to
ceph.com/teuthology/docs

Signed-off-by: Andrew Schoen <aschoen@redhat.com>
Reviewed-by: Ken Dreyer <kdreyer@redhat.com>
Merge pull request #32 from andrewschoen/teuthology-docs

Teuthology docs
actually delete the teuthology-docs-build directory

Signed-off-by: Andrew Schoen <aschoen@redhat.com>