put in explicit call to clear out existing root loggers from slf4j to avoid bug
here https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=745866

The symptom in databus is that under very high upload load (bulk upload a few million
items with at least 3-5 uploads running at the same time) the upload will eventually
hang, and the whole system will hang.
error message change
upgrade include slf4j jul
build play with new dependancies
build new play version with new dependancies
Merge branch 'devbranch-jcollins' of github.com:deanhiller/databus into devbranch-jcollins