fix clone example

Link: https://github.com/GeneAssembly/biosal/issues/493
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
fix migration example

Link: http://biosal.s3.amazonaws.com/quality-assurance-department/2014-08-01-03:01:01.log
Link: https://github.com/GeneAssembly/biosal/issues/493
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>