client.setup: Add templates dir

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
client.shared.report: Be more robust searching for json templates

Fixes issue #785.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #825 from autotest/templates-fix

Templates fix