Merge branch 'dev'
Merge branches 'master' and 'dev'
added json field to force graph generation also when not in debug
fixed formatting string
added code to use an "extractor" field in json

allows the json request to select the particular extractor to use.
dynamiccally load the particular extractor code selected
Merge branch 'dev' of https://github.com/isi-metaphor/lcc-service
merge dev