added function to calculated (brute-force) the size of the repository on-demand
Merge branch 'master' of https://github.com/futures/fcrepo4
Merge branch 'master' of https://github.com/futures/fcrepo4
Merge branch 'master' of https://github.com/futures/fcrepo4
Merge branch 'master' of https://github.com/futures/fcrepo4
Merge branch 'master' of https://github.com/futures/fcrepo4
copied datastream label property to object