Merge branch 'develop' of https://github.com/nu-lts/drs into develop
Merge branch 'develop' of https://github.com/nu-lts/drs into develop
Merge branch 'develop' of https://github.com/nu-lts/drs into develop
Updates Impression Logging to also store the IP address that a request originated from.  Also fixes a bug wherein a 'download' impression was being created every time we displayed a thumbnail to the user.  The log_download method in the view_logger controller helper now checks that the datastream being downloaded is labeled 'content' before logging the impression.
Merge pull request #354 from nu-lts/feature/log_ip_addresses

Feature/log ip addresses