Added couchdb support, no json.dumps needed, hash is sent directly to couchdb
Added couchdb support, no json.dumps needed, hash is sent directly to couchdb

kate-v-stepanova/scilifelab,SciLifeLab/scilifelab,jun-wan/scilifelab,senthil10/scilifelab,senthil10/scilifelab,SciLifeLab/scilifelab,SciLifeLab/scilifelab,jun-wan/scilifelab,senthil10/scilifelab,kate-v-stepanova/scilifelab,senthil10/scilifelab,SciLifeLab/scilifelab,kate-v-stepanova/scilifelab,kate-v-stepanova/scilifelab,jun-wan/scilifelab,jun-wan/scilifelab