Adds clamav scan to cloud_resource in generic_file_actor.

Integrates browse_everything and clamav for curate_uc app.

Modifies generic_file_controller and generic_works_controller.
Modifies generic_file_actor and generic_works_actor.
Modifies spec test to account for differnet rendering option
on virus discovery.
Merge pull request #5 from uclibs/feature/browse_everything_clamav

Adds clamav scan to browse_everything resources.
Fixes multiple prompt bug for Remove item from collection.
Update .travis.yml
Update .travis.yml
Merge pull request #7 from uclibs/java_error

Merge Java error into Sandbox
Merge branch 'sandbox' into metadata/#53