Add metadata summary per FM-1523
fix typo in readme
fix modes of simple files: no need for x
Merge pull request #50 from igalic/typos

fix typo in readme
add ability to override -a rsync option

sometimes, we just don't care about timestamps.
add two tests to test new options
Merge pull request #51 from igalic/options

add ability to override -a rsync option
Merge pull request #47 from laurenrother/summary

Add metadata summary per FM-1523