low-level retrieval of jcr content from the low-level binary stores
round the datastream modified date down to the second to match the HTTP header granularity
fix up silliness in BinaryCacheStore
Merge pull request #35 from futures/ispn-lowlevel-fixity-check

low-level retrieval of jcr content from the low-level binary stores
Added REST API to request a fixity check on a datastream
Added unit test for fixity check api
Added RESTEasy and Velocity for displaying repo info on /describe
explicating jaxb bind type for travis
fixing up ETag test
fixed repository going to negative
rename some bad class names to LowLevel...
create a functional-style digest checker (functional java makes my head hurt)
Merge branch 'master' of https://github.com/futures/fcrepo4