Removed username and password required flags to accomodate anonymous downloads
Get cucumber working

Use an older version of aruba
Update artifact.rb to allow version to be modified and generate file_name at execution time
Fix feature output for search
Fix cli_steps for modified coordinates ordering
only test on 1.9.3
update readme and changelog
rename gav to coordinates
Merge pull request #83 from RiotGames/anon_user

Support an anonymous connection to Nexus