#1302 merging 20150518_new_funding_model branch back to the trunk
concatenating identifiers with stringutils
introducing objectstores provider for manual object store identifiers retrieval
Removing usage of working_dir from Java workflow node.
#968 aligning IIS importer with ObjectStore#deliverObjects() API method changes
#963 propagating dataset -> mdstore from import to exporting phase: importer produces DocumentToMDStore datasetore utilized by exporter module. Updating transformer definition to handle DocumentToMDStore instead of Identifier schema
updating mdstore test
introducing support for handling update column qualifiers holding inferenced data, disabled by default
introducing regex support in result approver to support iis::* kind of provenance, updating workflow definitions with proper regex values
updating test
#799 aligning dataset importer test with recent changes
introducing datadump provider for obtaining contents