Implement hashCheck for filewriter. The file put on the storage will be
extended by the hash. It is compatible with the hash the writer ander
reader are using.
Change HashUtil to throw exception instead of system.out'ing it, so it
can be properly logged by higher classes
use atomic integer to replace synchronized primitive to avoid performance penalty
Merge pull request #65 from ywang19/master

use atomic integer to replace synchronized primitive to avoid performance penalty, and avoid number holes in next().
add open document format document for revising
Merge pull request #63 from Niklas974/hashcheck-filewriter

Hashcheck filewriter
Merge remote-tracking branch 'upstream/master'
Fix Testclass for RangeIntGenerator
add system bundles required
Merge branch 'master' of https://github.com/intel-cloud/cosbench
Update DISTRIBUTIONS.md

add 0.3.1.1
Update CHANGELOG
add cosbench introduction slide deck
remove filewrite work in mock test, as this workload is to show user what cosbench looks like with minimal to none external dependencies.
Added filewrite related parameters to configuration UI
Merge pull request #73 from giteshnandre/master

Filewrite related parameters to configuration UI
Merge remote-tracking branch 'upstream/master'