added avu query by id methods to data obj and coll for modeshape, findbugs and cleanup code
added singleton wrapper class for IRODSFileSystem
working on support for flow manager
Merge branch 'development' of https://github.com/DICE-UNC/jargon into development
#6 adding flowmanagerservice to get candidate flows
Merge remote-tracking branch 'origin/development' into flowmanager
#6 adding flow condition checking to callable