Update data with pre-processed license info
Don't preprocess license information
Use updated license object fields and values
Include publication dates from 2003-2013
Remove hardcoded 'Creative Commons'
Calculate publication dates dynamically
Inverse publication date order
Merge pull request #131 from Connexions/preprocessed-license

Don't preprocess license information
Update api to match cnx-archive
Update test data to match extra api
Re-name preface file
Merge pull request #134 from Connexions/api-update

Update api to match cnx-archive
Merge pull request #132 from Connexions/publication-dates

Include publication dates from 2003-2013