Update rub version to jruby-1.7.16
Update Gemfile to resolve dependencies for the new jruby version
Remove the AuthpdsNyu aleph_url configuration since it doesn't exist in the latest version of AuthpdsNyu
Remove non jruby gems since this app runs on jruby
Citero changed a bit so we changed our tests a bit since they are tightly coupled :anger: :-1:
Test against java 1.8 jdk on travis
Deploy with the latest jruby
Merge pull request #14 from NYULibraries/chore/update-ruby-version

Chore/update ruby version