Added failsafe call to usage rollup processor in the event that there are no usages to get tags from
Removing dbunit stuff from persistence module
Merge branch 'rollup-job-refactor' into usage-refactor
Started adding tests in the UsagePollerHelperTest for processCurretnUsage method.
Merge branch 'usage-refactor' of github.com:lbrackspace/atlas-lb into usage-refactor
Fixed merge conflict in persistence/pom.xml.
Changed references to FlatXMLLoader class to reflect correct location.
Merge branch 'usage-refactor' into service-unit-tests-usage-refactor