updated cookbooks
updated templates for sources
Updating internal SQL to be more database agnostic and work in both MySQl and Postgresql

Part 1 - still a bit more to do and needs further testing
allow articles to be up to 350 years old
more sql updates
Updated migrations for index name, default value. Added Capistrano (2.15.5) to gem file
updating comments
ALM-620 redirect requests to info:doi
ALM-622 standardize v5 Api response format, paginate api_responses
added contributors to documentation
fixed name spelling
ALM-585 use groups instead of categories for visualizations, but sources without charts in horizontal order
ALM-622 fixed tests for new v5 API
ALM-619 show multiple URLs per article
ALM-622 show group in v5 API for articles
ALM-632 use get request for canonical URL, do some error checking
ALM-632 adapted CrossRef model tests to changes in canonical URL lookup
remove obsolete code for Github OAuth
ALM-602 have Facebook source ignore counts above preset threshold
changed version