Use blacklight 4.5 methods for accessing the search_session. Fixes #296
Test with ruby 2.1.0 final release
Simplify tests for GenericFile#related_files
Remove duplicate includes. Fixes #289
Remove non-functioning rake tasks
These aren't accessable in the host application and they aren't useful
for gem development (because there's no `environment` task). So remove
them.
Merge pull request #299 from projecthydra/simpler_test

Simplify tests for GenericFile#related_files
Merge pull request #300 from projecthydra/remove_duplication

Remove duplicate includes. Fixes #289
Better documentation for GenericFile#related_files [ci skip]
Merge pull request #301 from projecthydra/remove_unused_rake_tasks

Remove non-functioning rake tasks
Merge pull request #297 from projecthydra/blacklight_4.5

Use blacklight 4.5 methods for accessing the search_session. Fixes #296