Update bos version for integration tests
Update bos version for integration tests

Signed-off-by: Silas Davis <3c8a78ce9992bdcf14c1f3b12b50922766d51691@monax.io>

silasdavis/burrow,eris-ltd/eris-db,silasdavis/burrow,eris-ltd/eris-db,silasdavis/burrow