minor tweaks for DnD
Merge branch 'develop' of github.com:kbase/narrative into develop
don't overwrite config.json
include new narrative core .js files
Fix for tab symbols in method spec textual values.
Some text changes to the data panel when using an empty narrative, and changed "Get Data" --> "Add Data"
Updated release notes, bumped version to 0.3.1
Merge branch 'develop' into staging